Chemistry, 24.09.2021 20:40, elizediax8683
Atomic Structure and Theory [6A. S]:Question 6
An atom of potassium has 19 protons, 18 electrons, and 21
neutrons. What is the mass of this atom? (only put in the
number, don't worry about the units)
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Atomic Structure and Theory [6A. S]:Question 6
An atom of potassium has 19 protons, 18 electrons,...
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