Question

Write the period ,group and block of Ni(28)​

Answer 1

Explanation:

group number⇒no. of valence electron

period number⇒no. of shells

the subshell electronic configuration

Si−14→1s

2

2s

2

2p

6

3s

2

3p

2

Ni−28→1s

2

2s

2

2p

6

3s

2

3p

6

3d

8

4s

2

Si− Period Number −3, Group number −(10+4=14)

Ni− Period Number −4, Group number −10