Question

2. Each shell or energy level has _______ within it. ​

Answer 1

Answer:

fixed number of electrons

Explanation:

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Answer 2

Answer:

Each shell can contain only a fixed number of electrons:

Explanation:

The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.