227k views
0 votes
The two ions K+ and Ca?+ each have 18 electrons surrounding the nucleus. Which would you expect to have the smaller radius? Why?

1 Answer

1 vote

Answer:

Ca+

Step-by-step explanation:

Ca+ because it has 20 protons to pull the nucleus in where K+ only has 19 protons.

User Manveti
by
4.1k points