Question

he model below shows a calcium atom.

An image has a mix of red and blue balls in its center and 4 concentric black rings around the center. The first ring from the center has 2 small green balls on it. The second ring has 8 small green balls on it. The third ring has 8 small green balls on it. The outermost ring has 2 small green balls on it.

How many electrons are in the third energy level?

Answer 1

8

Answer 2

hope this helps

Answer 3

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