Question
Identify periods of elements and blocks of elements from given electronic configuration?
  1. 2, 8, 2
  2. 2, 8, 7
  3. 2, 1

Answer

Electronic
configuration
Period Block
i. 2, 8, 2 3 s - Block
ii. 2, 8, 7 3 p - Block
iii. 2, 1 2 s - Block

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free