Question

Write Electronic configuration of following ions
Sc2+​

Answer 1

Answer:

Electronic configuration os Sc+3 is 2,8,8,3

Answer 2

Answer:

2.8.8

Explanation:

Original atomic number was 21 and because it has 2+ charge it means that it lost 2 electrons therefore only 18 electrons are left. The configuration is then 2.8.8(2 in the first shell, 8 in the second and 8 in the outer most)