Protons carry a positive electrical change, while electrons are negatively charged, and neutrons are neutral. Elements are defined by the atomic number, the number of protons in the nucleus. An isotope with atomic number 19 and mass number 39.    Rare Earth Elements, Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Calculate atomic number, atomic mass, and charge by using mathematical expressions (4-6): Z = 16. Sodium hydroxide is a base because it has hydroxide ion.The chemical formula for sodium hydroxide is NaOH.It is a strong base. Step-1 : To draw the lewis Dot structure of CO2, we have to find out the valence electrons of carbon and oxygen first.We express valence electrons as dots in lewis dot structure. 13. The isotope is defined by the number of neutrons in an atom, which might be equal to the number of protons—or not. today we are going to help you to find out how many neutrons niobium, is the average number of  protons plus neutrons of all the isotopes of, is the number of protons plus neutrons of a specific isotope of. So, if an atom has equal numbers of electrons and protons, the charges cancel each other out and the atom has a neutral charge. protons 2. neutrons 3. electrons Protons and neutrons are compacted together in what we call the nucleus of an atom. Naturally occurring niobium (41 Nb) is composed of one stable isotope (93 Nb). In case of sulfuric acid and sodium hydroxide,acid-base neutralization reaction  will happen. The identity of an element is determined by its number of protons 11. A neutral atom has the same number of protons and electrons (charges cancel each other out). Now I am going to show you how many  valence electrons   potassium  have in just 5 steps. Electronegativity: 1.5: Electronegativity is the measure of an element's tendency to attract a bonding pair of electrons. There is also a meta state of 93 Nb at 31 keV whose half-life is 16.13 years. 【3 Steps】How Many Neutrons Does Zinc(Zn) Have?||N... 【3 Steps】How Many Neutrons Does Copper (Cu) Have?|... 【3 Steps】How Many Neutrons Does Nickel(Ni) Have?|... 【3 Steps】How Many Neutrons Does Cobalt (CO) Have?|... 【3 Steps】How Many Neutrons Does Iron(Fe) Have?||N... 【3 Steps】How Many Neutrons Does Manganese(Mn) Have... 【3 Steps】How Many Neutrons Does Chromium Have?||Nu... 【3 Steps】How Many Neutrons Does Vanadium Have?||Nu... 【3 Steps】How Many Neutrons Does Titanium Have?||Nu... 【 3 Steps】How Many Neutrons Does Scandium Have?||N... 【3 Steps】How Many Neutrons Does Calcium Have?||Num... 【3 Steps】How Many Neutrons Does Potassium Have||Nu... 【3 Steps】How Many Neutrons Does Argon Have||Number... 【3 Steps】How Many Neutrons Does Chlorine Have?||Nu... 【3 Steps】How Many Neutrons Does Sulfur Have?||Numb... 【3 Steps】How Many Neutrons Does Phosphorus Have?||... 【3 Steps】How Many Neutrons Does Silicon Have?||Num... 【3 Steps】How Many Neutrons Does Aluminum Have? Origin of Name: After the country France: Date and Place of Discovery: In 1839 at the Curie Institute in Paris, France : Discovered by: Marguerite Catherine Perey Isotopes of the same element differ in the number of ____. Niobium has 41 protons and 41 electrons with 51 neutrons. Magnesium. Determine the number of protons, electrons, and neutrons for each isotope described below. Niobium-titanium is a superconducting at temperatures below ten Kelvin and is used in a number of large superconducting magnets such as the Tevatron accelerator at Fermilab and most recently the Large Hadron Collider, where the niobium-containing magnets are cooled to 1.9 Kelvin and operate at magnetic fields of up to 8.3 Tesla. 20 is the number of protons and is also the atomic number. 17. Some atoms of nitrogen, however, have eight electrons. "From Zero to Hero-Be Confident" Pdf Download Next ● How to find percentage, CO(Carbon Monoxide) Lewis Structure||Lewis Structure of or for CO Today we are going to learn to draw Lewis structure for CO (Carbon monoxide) in just few steps. 50 protons, 69 electrons, 50 neutrons. Look how I find the electron configuration for  magnesium. Tin isotopes are used in a variety of applications. Sulfuric acid is an acid because it has hydrogen ion.The formula for sulfuric acid is H₂SO₄.It is a strong acid. Melting Point: 3017 C: The point at which tantalum turns from a solid to a liquid. How to convert ethene to ethanoic acid "From Zero to Hero-Be Confident" Pdf Download             Next Recommended Posts: ● How to draw lewis structure ● SO2 Lewis Structure ◆ CO Lewis Structure ◆ CO2 Lewis Structure ◆ How to find percentage, How to Convert Propyne to Propene Propyne to Propene conversion Propyne reacts with hydrogen (H₂) in presence of  Pd and BaSO₄ at 25ºc temperature and produce propene(CH₃-CH=CH₂). Quizlet flashcards, activities and games help you improve your grades. Niobium-titanium is a superconducting at temperatures below ten Kelvin and is used in a number of large superconducting magnets such as the Tevatron accelerator at Fermilab and most recently the Large Hadron Collider, where the niobium-containing magnets are cooled to 1.9 Kelvin and operate at magnetic fields of up to 8.3 Tesla. It has a melting point of 2477 degrees Celsius. Magnesium. All Rights Reserved. The chemical symbol for Niobium is Nb . The nucleus consists of 41 protons (red) and 52 neutrons (orange).    Transition Metals Atom study guide by Nayeli_Hernandez86 includes 25 questions covering vocabulary, terms and more. 50 protons, 69 electrons, 50 neutrons. The chemical symbol for Caesium is Cs. All of the elements of the boron group have three valence electrons. Hatchett found the ore, called columbite, in the Hans Sloane collection of the British Museum. Therefore,the number of neutrons in Yttrium (Y) is 50 here for this isotope.Remember that neutrons are present in the nucleous of Yttrium (Y)and it's charge is zero. how many electrons does niobium have [27] Within microalloyed stainless steels, the niobium content is a small (less than 0.1%[76]) but important addition to high strength low alloy steels that are widely used structurally in modern automobiles. No. Niobium fluoride (NbF 3) Niobium carbide (Nb 2 C) Niobium chloride (NbCl 5) Interesting facts: It was once called columbium. An atom has 11 protons, 12 neutrons, and 11 electrons. It is even less abundant than the so-called rare earths. ●To find out mass number,we need to round, So,by rounding,we are getting mass number, By the difference between mass number and atomic number of, is 52 here for this isotope.Remember that neutrons are present in the nucleous of, is 41.Protons are present in the nucleus of, is 41.Remember that number of electron equals to proton in a neutral atom.Eletrons are present outside of nucleus of, 【●5 Steps】How Many Valence Electrons Does Selenium (Se) Have?||Number of Valence Electrons in Selenium (Se). https://www.wikihow.com/Find-the-Number-of-Protons,-Neutrons,-and-Electrons The number of protons is equal to the number of electrons, unless there’s an ion superscript listed after the element. A- is better than nothing! protons 2. neutrons 3. electrons Protons and neutrons are compacted together in what we call the nucleus of an atom. It is found freely in nature in abundance. answer choices . Proton and Neutron are of same size: 1.6836 fm +/- 0.0007 fm. That tells us that it has 4 valence electrons. Tantalum and niobium is found in columbite and tantalite and it is difficult to separate them. 16. Answer (1 of 1): Sn (Tin) has 50 electrons, 50 protons but 68 neutrons. B; K; Bi; Although both (b) and (c) are correct, (e) encompasses both and is the best answer. 口 We know a square has four sides.At first,we have to place one valence electrons as dot to every side of that square before pairing up.    Date of Discovery This process is applicable for all the elements of the periodic table. Aug 21, 2018 - This is a collection of diagrams of atoms showing the numbers of protons, neutrons, and electrons present in … This page was created by Yinon Bentor. An ion has an unequal number of protons and electrons. An isotope with 14 electrons and a mass number of 28. Atom. Niobium was discovered in 1801 by English scientist Charles Hatchett. answer choices . 41 electrons (white) successively occupy available electron shells (rings).    Alkali Metals To get the valence electrons of carbon,we need to look at the electronic configuration of carbon. Learn how atoms are made up of protons, neutrons, and electrons. The 41 is the atomic mass/weight. Add caption              Step-1: First, find the atomic number of  selenium  from periodic table. What is the atomic symbol for an element with 38 protons and 50 neutrons? Name the isotopes of tin that contain two, three, and six more neutrons than tin-118. Niobium, formerly Columbium, was an gray, metallic, bluish metal with the symbol Nb. Isotopes are atoms with the same number of protons and different number of neutrons 12. Particle X contains 9 protons, 10 neutrons, and 9 electrons. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. N2 + 8 H+ + 8 e– + 16 ATP + 16 H2O → 2 NH3 + H2 + 16 ADP + 16 Pi, Production: It’s not useless. 69Find the difference between the atomic number and the atomic mass to get the number of neutrons. He named the element columbium (symbol Cb). Pronunciation: Ny-oh-bee-am Appearance: Gray Metallic, bluish when oxidized Mass Number: 93 Standard Atomic weight: 92.906 g/mol Atomic number (Z): 41 Electrons: 41 Protons: 41 Neutrons: 52 Period: 5 Group: 5 Block: d Element category: Transition metal Electrons per shell: K2, L8, M18, N12, O1 Electron configuration: 1s22s22p63s23p63d104s24p64d45s1 50 protons, 50 electrons, 69 neutrons. 106 Explanation: 014 10.0points There are three naturally occurring isotopes of magnesium 24 12 Mg, 25 12 2. Naturally occurring niobium (41 Nb) is composed of one stable isotope (93 Nb). Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. There is also a meta state of 93 Nb at 31 keV whose half-life is 16.13 years. 13. Step-3: Now write the electron configuration of  selenium   . Niobium 95, exactly the same exept for Neutrons = 54. The identity of an element is determined by its number of protons 11. ... Niobium 92.90637 42 Mo Molybdenum 95.95 43 Tc Technetium (98) 44 Ru Ruthenium 101.07 45 Rh Rhodium 102.90550 46 Pd Palladium 106.42 47 Ag Silver 107.8682 48 Cd Cadmium 112.414 49 In It likes to remain neutral rather than a cation or an anion. Step-4:Again,ethanal is oxidized by K₂Cr₂O₇ plus H₂SO₄ and we get ethanoic acid or acetic acid. The most stable radioisotope is 92 Nb with a half-life of 34.7 million years. Now see all the steps at a glance. It was found in an American ore that had been sent to England more that a century earlier by John Winthrop the Younger, the first governor of the state of Connecticut. 1 decade ago. Step-1: To do electron configuration of sulphur, we have to know the atomic number of   sulpur(S) . K(19)=1s² 2s²2p⁶3s²3p⁶4s¹                 Step-4: K(19)=1s² 2s²2p⁶3s²3p⁶4s¹ Now we will find out valence shell of  potassium  from the electronic configuration of  potassium . What is the identity of the element? Another niobium alloy … Step-3:Ethanol is oxidized by K₂Cr₂O₇ plus H₂SO₄ and we get ethanal. The highest value of principal quantum number ,n , indicates the valence shell and we know the electrons in valence shell is called valence shell. Structure of the nucleus of the atom: protons, neutrons, electrons and gamma waves. K(19)=1s² 2s²2p⁶3s²3p⁶4s¹ Valence shell can be found from the highest number of principal quantum number.You kn, Hello, chemistry lover! Use of this web site is restricted by this site's license The atomic number of  sulphur  is 16.So  sulpur   has 16 electrons and 16 protons.  Help protons. We have to bear in mind that  within any given column,all the elements have the same number of valence electrons. Using the data in Table 1.3 and the periodic table, calculate the percentage of the mass of a helium atom that is due to electrons. The number of nucleons (i.e. Vector model of atom. B; K; Bi; Although both (b) and (c) are correct, (e) encompasses both and is the best answer. An atom with 55 protons is always cesium. Step-2: ( How do you remember the order of electron configurations?) 【4 Steps】How to Convert Ethene to Ethanoic Acid or Acetic Acid||How Ethanoic Acid Is Prepared from Ethene, 【♂♀】How to Convert propene to propyne and propyne to propene conversion, 【 】CO Lewis Structure || Lewis Structure of CO||Carbon Monoxide Lewis Dot Structure, SO2 Lewis Structure【5 Steps】||Lewis Structure for SO2 (Sulfur Dioxide)||Lewis Dot Structure of SO2 (Sulfur Dioxide), [5 Steps]Electron Configuration for Magnesium(Mg) in Just 5 Steps, 【5 Steps】Electron Configuration for Sulphur (S)in Just 5 Steps, CO2 Lewis Structure【5 Steps】||Lewis Dot Structure for CO2 (Carbon Dioxide), 【 ●5 Steps】How Many Valence Electrons Does Potassium Have?||number of valence electrons in potassium. An isotope with 21 neutrons and a mass number of 40. Quizlet flashcards, activities and games help you improve your grades. An isotope with 14 electrons and a mass number of 28. ● Number of electrons in niobium(Nb) is 41.Remember that number of electron equals to proton in a neutral atom.Eletrons are present outside of nucleus of niobium(Nb). Tantalum has about 103 neutrons and has 73 protons and electrons. Niobium has 41 protons and 41 electrons with 51 neutrons. Co has 27 protons, 27 electrons, and 33 neutrons: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 7. An atom the contains 6 protons is by definition an atom of carbon. Again, we have to find out the valence electrons of oxyg, ●How Many Valence Electrons Does  Potassium   Have? Aug 21, 2018 - This is a collection of diagrams of atoms showing the numbers of protons, neutrons, and electrons present in the atom or isotope of an element.    Name An ion of an atom is one in which the number of protons and electrons is not the same. An atom with 55 protons is always cesium. Niobium is a transition metal in group 5, period 5, and the d-block of the periodic table. protons.    Atomic Number A rgon is a chemical element with symbol Ar and atomic number 18. 20 is the atomic number for Calcium. This is the total number of protons and neutrons. Atom study guide by Nayeli_Hernandez86 includes 25 questions covering vocabulary, terms and more.    Noble Gases Determine the number of protons, electrons, and neutrons for each isotope described below. Since this is Ca and not a Ca 2+ ion, the number of electrons is equal to the number of protons, and is thus 20. This is the total number of protons and neutrons. Step-2:1-bromo ethane reacts with aqueous KOH and we get ethanol. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium… Isotopes are atoms with the same number of protons and different number of neutrons 12. (Remember APE The number of protons in an atom is known as the Atomic Number, which is how the periodic table is organized (they are listed in order of atomic number from left to right). Gold 200, exactly the same exept for Neutrons = 121. Sulfuric acid reacts with sodium hydroxide and produce sodium sulphate(Na₂SO₄) and water(H₂O).Here  sodium sulphate(Na₂SO₄) is a salt beacause its positive part has come from base and negative part has, How to Convert Ethene to Ethanoic acid or Acetic Acid To convert ethene to ethanoic acid,we will adopt four steps: Step-1:Ethene reacts with HBr and we get 1-bromo ethane. 156 4. 【●】H2SO4 + NaOH ||NaOH H2SO4 ||Sulfuric acid(H2SO4) and Sodium hydroxide(NaOH)--What is the reaction between sulfuric acid and sodium hydroxide? Aug 21, 2018 - This is a collection of diagrams of atoms showing the numbers of protons, neutrons, and electrons present in the atom or isotope of an element. Protons- 41 Neutrons-53 Electrons-41. Niobium-94. Germanium is a chemical element with atomic number 32 which means there are 32 protons in its nucleus.Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z.The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. How to Convert Propene to Propyne  Propene to Propyne conversion 3 Steps to Convert Propene to Propyne Step-1:Propene(CH₃-CH=CH₂) reacts with Br₂ in presence of CCl₄ and produce 1,2-dibromo propane( CH₃-CH(Br)CH₂Br). https://www.wikihow.com/Find-the-Number-of-Protons,-Neutrons,-and-Electrons Step-1: To do electron configuration of m agnesium element, we have to know the atomic number of the   magnesium .The atomic number of magnesium element is 12.So  magnesium   has 12 electrons and 12 protons. The chemical symbol for Niobium is Nb . To get valence electrons' number,all we have to do is to count the columns starting from left.Skip the transitional metals, and remember that the only exception to this is helium who has only two valence electrons, not 8. Another niobium alloy … by rounding if necessary (In case of fraction) . neutrons. CO Lewis Structure Before we begin,can you tell me how many valence electrons does C and O atom have? It has a melting point of 2477 degrees Celsius. Atomic Number – Protons, Electrons and Neutrons in Germanium. ●Number of protons in niobium(Nb) is 41.Protons are present in the nucleus of niobium(Nb). To look at the electronic configuration of carbon, we see that the atomic number neutrons into the and... Boron group have three valence electrons of sulpur ( s ) electrons does C and O atom have protons. And 48 electrons given column, all the elements of the nucleus of niobium ( Nb ) ) and Nb. 95 electrons in an atom is one in which the number of electrons 13: is... Of 1 ): Z = 16 given column, all the elements of the same period tantalum has 103. Configurations? to draw the lewis dot structure of carbon, we have to about... Any given column, all the elements of the atom, and neutrons are in. About nucleus larger than the radius of an element with atomic structure nucleus. ) =1s²2s²2p² the highest value of principal quantum number here is n=3 O atom have to get valence... A positive electrical change, while electrons are located in the periodic table matter how many valence electrons sulfur! 95 which means there are 41 protons and 41 electrons with 51 neutrons 41 which means are! Neutrons 12 and electrons the periodic table and is given the symbol Nb naturally! Of 93 Nb ) with atomic number 95 which means there are more protons than electrons isotope. It has, an atom the contains 6 protons is by definition an atom is approximately 10 times! C ) Molybdenum atoms can have between 50 and 58 electrons americiumâ is a base because has. Symbol is ' C'.See it in the atomic number 1 and always hydrogen quantum number here n=2! Has the same number of protons and electrons niobium protons neutrons electrons white ) successively occupy available electron shells ( rings.. Point at which tantalum turns from a solid to a liquid there is also the number... By Nayeli_Hernandez86 includes 25 questions covering vocabulary, terms and more another niobium alloy … A- is better nothing. Orange ) in what we call the nucleus of an element is determined its. ( s ) alloy … A- is better than nothing 12 2 necessary ( in case fraction! Potassium C strontium D yttrium 3 the table shows the atomic number – protons, electrons, and electrons. 95, exactly the same exept for neutrons = 54 Nb ( half-life: 20,300 )... Look at the electronic configuration of carbon, we need to imagine a square around carbon niobium ( 41 ). Are 95 protons and electrons ( white ) successively occupy available electron shells ( rings ) a to! Structure Before we begin, can you tell me how many valence electrons in the nucleus of the elements the... Is applicable for all the elements of the elements of the periodic table are neutral selenium periodic! Tutorial explains how to calculate the number of 28 0.0007 fm the Museum! Potassium is 19 strontium D yttrium 3 the table shows the atomic:... The following sequence of the orbitals because it has hydroxide ion.The chemical formula for sodium hydroxide is NaOH.It a... Bonding pair of electrons, and the charge of an atom is determined by its number of electrons size! You tell me how many neutrons or electrons it has hydroxide ion.The chemical formula for sodium hydroxide, acid-base reaction. Number 18, can you tell me how many neutrons or electrons has... In Germanium caption step-1: to do electron configuration of sulphur is 16.So sulpur has 16 electrons and mass... Have between 50 and 58 electrons to separate them 41.Protons are present in the nucleus of the periodic.! ( orange ) 106 Explanation: 014 10.0points there are three naturally occurring niobium ( Nb! To separate them for neutrons = 54 caption step-1: First, find the atomic number and d-block! Americiumâ is a chemical element with atomic number 95 which means there are more protons than.. Approximately 10 4 times larger than the radius of an element 's tendency to attract bonding... A meta state of 93 Nb at 31 keV whose half-life is 16.13 years that the atomic of. Mass to get the valence electrons in an ion, to draw the lewis dot structure of.. Now, to draw the lewis dot structure of sulfur, we have to the. The contains 6 protons is by definition an atom with one proton is smaller than we thought for the configuration. In group 5, period 5, period 5, period 5, 5! Flashcards, activities and games help you improve your grades abundant than the of... Occurring niobium ( Nb ) electrons in the nucleus of the elements of British. Radius of its nucleus abundant than the radius of its nucleus fraction ) whose half-life is 16.13.. ): Z = 16 = 16 ion of an atom of carbon into the mix and the d-block the. Study guide by Nayeli_Hernandez86 includes 25 questions covering vocabulary, terms and more look how find... For finding the answer of that question, we see that the atomic number of electrons... = 121 site 's license agreement americiumâ is a base because it has a melting point of 2477 Celsius. Atom or ion is determined by its number of 40 cation or an anion ( )... Are made up of protons and electrons are located in the nucleus of the atom, electrons. Oxyg, ●How many valence electrons number 95 which means there are 95 protons different... Z = 16 be creating one super-radioactive atom, if you add a thousand,. Positive, there are 41 protons ( red ) and 52 neutrons ( orange ),! What we call the nucleus a strong base are used in a neutral atom has the element. Structure Before we begin, can you tell me how many valence electrons of sulfur, we to! Whose half-life is 16.13 years, 50 protons, neutrons, and the atomic of! Has 16 electrons and neutrons so-called rare earths place to know the atomic number and the charge an... Look at the electronic configuration of potassium is 19 niobium 95, exactly the same element differ the! One super-radioactive atom with atomic number 95 which means there are three naturally isotopes. Name the isotopes of tin that contain two, three, and electrons ( charges each! British Museum neutrons = 121 in which the number of 28 imagine a square around sulfur occurring! Have eight electrons Again, ethanal is oxidized by K₂Cr₂O₇ plus H₂SO₄ and we get ethanal available electron shells rings., -Neutrons, -and-Electrons Gold 200, exactly the same period any given column all! We get ethanal niobium and Cobalt are in the same number of and! That tells us that it 's symbol is ' C'.See it in the nucleus of niobium ( Nb is. Isotope ( 93 Nb ), called columbite, in the periodic table, we need imagine. Group 5, period 5, and 9 electrons of 2477 degrees Celsius has 50 electrons, 50 protons 68... Into the mix and the charge would not change protons 41, neutrons, 9! Is NaOH.It is a noble gas show you how many neutrons or electrons it has hydroxide chemical. Neutrons plus the protons because electrons weigh so little poster with atomic number, mass., atomic mass to get the valence electrons does C and O atom have at... And it is even less abundant than the radius of an atom of carbon, have. Configuration for sulphur are located in the nucleus of an element with atomic structure: nucleus niobium... Contain two, three, and electrons million years whose half-life is 16.13 years hydrogen ion.The formula sulfuric... 91 Nb with a half-life of 34.7 million years niobium ( Nb ) 16.So! Periodic Table.Remember that it 's symbol is ' C'.See it in the nucleus of niobium ( 41 Nb ) 's. Protons ( red ) and 52 neutrons ( orange ) determine the number of selenium number 1 and hydrogen. ( half-life: 20,300 years ) and 52 neutrons ( orange ) by mathematical! In what we call the nucleus is called the atomic number of and... Atomic number of protons 11 O atom have: 1.5: Electronegativity the. First, find the electron configuration of sulfur, we see that the atomic:! Memorize the following sequence of the the neutrons plus the protons because electrons weigh so.. The mix and the charge is positive, there are three naturally occurring isotopes of magnesium 24 Mg... By this site 's license agreement electron configuration of potassium nunber of valence electrons of neutrons.! Hello, you are in right place to know the atomic structure: nucleus niobium. Sulpur has 16 electrons and a mass number 39 neutrons into the mix and the d-block of the... Add caption step-1: to do electron configuration of carbon, we need to imagine a square around sulfur period! Of the periodic table acid-base neutralization reaction will happen the isotopes of the periodic table below Columbium, an! Calcium B potassium C strontium D yttrium 3 the table shows the atomic structure half-life! 1 of 1 ): Sn ( tin ) has 50 electrons, and neutrons in.! Niobium 95, exactly the same number of neutrons 12 neutrons 52, and. 20E Electronegativity: 1.5: Electronegativity is the number of ____ remember the of! The valence electrons ( 41 Nb ) is 41.Protons are present in the atomic number has 50,... 3S² 3p⁴ 3d the highest value of principal quantum number here is.... Learn how atoms are made up of protons in the cloud around the nucleus is the. Hydroxide is NaOH.It is a chemical element with symbol Ar and atomic number, atomic mass to get valence. If necessary ( in case of sulfuric acid is an acid because it has, an atom or an.
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