Physics, 09.12.2020 22:40 jelani4brown
The model below shows an atom of an element.
10 light gray and 8 dark gray balls sit at the center with 2 concentric black rings around them. The inner ring has 2 medium gray balls on it, and the outer ring has 6 medium gray balls on it. At bottom, a dark gray ball = +1, a light gray ball = 0, a medium gray ball = negative 1.
What is the atomic number of this atom?
6
8
9
16
Answers: 2
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The model below shows an atom of an element.
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