Question
Question: An elements has the electronic configuration . \[1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{8}4s^{2}\] What...
An elements has the electronic configuration .
1s22s22p63s23p63d84s2
What will be its position in the periodic table?
A
Period 4, Group 10
B
Period 2, Group 2
C
Period 4, Group 2
D
period 2, Grop 8
Answer
Period 4, Group 10
Explanation
Solution
: n = 4 hence, element lies in 4th period.
Group number, = ns + (n – 1) d = 2 + 8 = 10