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 :
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 sizeTamilnadu Board Science
Draw the structurTamilnadu Board Science