Answer :

Ca2+ means that calcium has lost 2 electrons.

Now; atomic number of Ca = 20

Since, it has lost 2 electrons, thus the no of electrons left are = 18

Thus, atomic configuration of Ca2+ = 2, 8, 8

This shows that the Ca2+ has a completely filled outer shell.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses

The correct electTamilnadu Board Science

The maximum numbeTamilnadu Board Science

Ca2+ hTamilnadu Board Science

For an atom ‘X’, Tamilnadu Board Science

Name an element wTamilnadu Board Science

Write the electroTamilnadu Board Science

Total Number of eTamilnadu Board Science

Smaller the size Tamilnadu Board Science

Draw the structurTamilnadu Board Science