Chemistry, 30.11.2020 18:30 aangishah8452
21. Which statement about one atom of an element identifies the element? A) The atom has 1 proton. B) The atom has 2 neutrons. C) The sum of the number of protons and neutrons in the atom is 3. D) The difference between the number of neutrons and protons in the atom is 1.
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21. Which statement about one atom of an element identifies the element? A) The atom has 1 proton. B...
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