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3/22/20

[Answer] One isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope?

Answer: 18




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One isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope? It determines the atomic mass of atoms. However while calculating the mass number the small contribution of mass from electrons is ignored. Mass number is equal to Number of protons + Number of neutrons. Mass number = 11 + 7 = 18 . Hence the correct answer is 18. One isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope ? 18. What is true about all uranium atoms? ... One way in which elements differ from each other is the structure of the electron cloud in each element's atoms. In an electron cloud an electron that is farther away from the nucleus has ... Thu Dec 01 2016 · One isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope ? Get the answers you need now! Sat Aug 26 2017 · One isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope? Which property of the isotopes must be different? - 4854093 Mon Feb 27 2017 · The mass of an isotope is the sum of all the nucleons in that isotope. Nucleons are the protons and neutrons found in the nucleus of that atom. So the mass = 11 + 7 = 18 It is worth noting ...

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