Chemistry, 03.03.2021 07:10 erinwebsterrr

Label the parts of an atom on the diagram below. 9. What is the atomic number of the atom in the diagram above?
10. What is the atomic mass/mass number of the atom in the diagram above?
11. How many protons are in the nucleus of an atom with an atomic number of 15?
90
12. How many electrons are in the nucleus of an atom with an atomic number of 20?
13. How many neutrons are in the nucleus of an atom with an atomic number of 257
(use Periodic Table for mass)
14. What is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons?
15. How many neutrons are in the nucleus of an atom that has an atomic mass of 36 and an
atomic number of 257
8. If an atom has 35 protons in the nucleus, how man
nucleus?

Label the parts of an atom on the diagram below.

9. What is the atomic number of the atom in the

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Label the parts of an atom on the diagram below. 9. What is the atomic number of the atom in the di...