Engineering
Chemistry
Slater Rule
Question

If aufbau rule is not followed, Ca(atomic no. 20) will be placed in________block.

d

f

s

p

JEE Advance
College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

Solution

20Ca → 1s2 2s2 2p6 3s2 3p6 3d2      [d-block]