Answer:
(Li) has fewer electrons than (Li+)
Mercury
Explanation:
Hope this Helps!
35.45253819
(0.7578*34.96....)+(0.2422*36.96...)
7
5
1
8
3
6
2
4
just took on ed2020, good luck
9Be
Atomic number = (3+2)-1= 4
Mass number = (6+4)-1 =9