Question

calculate effective nuclear charge for ne,na,mg,al,si,p,s,cl,ar,k, ca

Answer 1

//h!!//

Zeff = Z - sigma (screening number)

1. Neon. --------------- 5.75
2. sodium ------------- 2.5
3. Magnesium-------- 3.3
4. Aluminum ---------- 4
5. silicon---------------- 4.2
6. phosphorus ------ 4.8
7. sulphur -------------- 5.4
8. chlorine ------------- 6.1
9. Argon --------------- 6.7
10. Potassium --------- 3.4
11. Calcium ----------- 4.3

hope this helps you....!!