defence exam NDA Group C 2023 Mock Test General Science Chemistry Periodic Table

Mendeleev classified elements in-

1
increasing order of atomic groups
2
seven periods and eight groups
3
seven periods and nine groups
4
eight periods and seven groups
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters