Question

Th electronic configurationof an element x is:1S²2S²2P⁶3S²3P⁶3d³4S²

^{x belongs to:}

• A. d Block
• B. S block
• C. p block
• D. f block

Answer 1

Answer:

A. d Block

• The electronic configuration shows that the last electron enters the (3d) subshell 3d² which is characteristic of transition metals.

• Elements whose differentiating electrons enter the (n-1)d\subshell are classified into the d block.