The___of an element is the number of_Of an atom of that element.
Fill in the blanks
A a...
The___of an element is the number of_Of an atom of that element.
Fill in the blanks
A atomic mass, electrons in the nucleus
B mass number, neutrons in the nucleus
C mass number, protons plus neutrons number in the outermost energy level
D atomic number, protons in the nucleus
Answers: 3
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