Answer:
peroid num= 3
group num=13 (boron Group)
Explanation:
I think the best one is B
I think you forgot to post a picture
Answer: the amount of energy needed to move an electron from one zone to another is a fixed, finite amount. At the lowest energy level, the one closest to the atomic center, there is a single 1s orbital that can hold 2 electrons
Explanation:
