Questions and solutions are free, always.

Practise

Practice
Revision queue
Take a test
Build a test

Browse

All topics
Physics
Chemistry
Mathematics

Account

Your numbers
Study plan
Saved
Plus

Practice Tests Topics Stats

123days leftSign in

Practice
Revise
Tests
Topics
You

Periodic Table and Periodicity — JEE Main 2019 · 12 Apr, Evening shift · Q1568 · Alror

Alror/Chemistry/Periodic Table and Periodicity

Periodic Table and Periodicity

JEE Main 2019 · 12 Apr, Evening shift · Q1568

ChemistryEasy127×since 2002Q1568

Among the following, the energy of 2s orbital is lowest in :

JEE Main 2019 · 12 Apr, Evening shift · Q1568·Periodic Table and Periodicity

More on Periodic Table and Periodicity

Periodic Table and PeriodicityJEE Main 2023 · 31 Jan, Morning shift · Q1564
Periodic Table and PeriodicityJEE Main 2022 · 27 Jul, Morning shift · Q1614
Periodic Table and PeriodicityJEE Main 2022 · 29 Jul, Morning shift · Q1615
Periodic Table and PeriodicityJEE Main 2002 · Annual, Paper 1 · Q1543