4 years ago

All elements in a period have the same energy level due to which of the following reasons?

2 answers:

3 0

The answer is D. Any element in the same period have the same number of electron shells.

For example, elements like Mg, Al and Na are all in period 3 and therefore they all have 3 electron shells.

viktelen [127]4 years ago

3 0

Answer:

the answer is d

Explanation:

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