I agree with the statement that the other person has made
Answer:
69
Explanation:
hey u said what I said didusbevehdysg
The answer is (C) as the definitions states that atomic mass is the number of protons and neutrons.
Hope this helps :).
The answer is d Thus, the first energy level holds 2 * 1^2 = 2 electrons, while the second holds 2 * 2^2 = 8 electrons. Each orbital. The third energy level can hold up to 18 electrons, meaning that it is not full when it has only electrons.