I believe it would be 7.731. x 10^5? That is if they want you to evaluate.
Answer: atoms do have 3 subatomic particles but the nucleus is positive and the nucleus consists of protons and neutrons. Its positive because neutrons have no charge and protons have a positive charge. There are only electrons on the shells so no neutrons or protons on the shells
Explanation:
A I’m sure of it because it only makes since one would think ✊
The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized
