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sure

Explanation:

hmmm why?

Explanation:

The first energy level can have two electrons.

The second energy level can have eight electrons.

The third energy level can have eighteen electrons.

The fourth energy level can have 32 electrons

The fifth energy level can have 50 electrons.

Neon has 10 electrons.

So 2 + 8 = 10.

This means that this element contains a full second energy level.

So this is not correct.

Argon has 18 electrons.

So 2 + 8 + 8 = 18

This means that this element contains a full second energy level and has an extra 8 electrons in the third energy level.

So this is not correct.

Radium has 88 electrons.

So 2 + 8 + 18 + 32 + 28 = 88

This means that this element contains a full second energy level, full third energy level, full fourth energy level, and has 28 extra electrons in the fifth energy level.

So this is not correct either.

Fluorine has only 9 electrons.

So 2 + 7 = 9

It has an electron missing in the second energy level. Therefore, the second energy level is not full.