Chemistry, asked by sikandarali24865, 4 months ago

what is the valency of main group elements?

Answers

Answered by KDP100

1

Answer:

The number of valence electrons

Periodic table group Valence Electrons

Group 1 (I) (alkali metals) 1

Group 2 (II) (alkaline earth metals) 2

Groups 3-12 (transition metals) 2* (The 4s shell is complete and cannot hold any more electrons)

Group 13 (III) (boron group)

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