Question
How many energy levels are necessary to contain the first 2 electrons in an electron cloud?
10
3
2
1
10
3
2
1
Answers
GPT-4o mini
To contain the first two electrons in an electron cloud, only **1 energy level** is necessary. The first energy level (n=1) can hold up to 2 electrons, according to the Pauli exclusion principle. Thus, the correct answer is **1**.