Question

What is different between elements of first group and other group is s block and p block ?Why?

std 11 chemistry​

Answer 1

Answer:

The s block elements having only one electron in their s-orbital are called group one or alkali metals whereas the s block elements having two electrons filling their s-orbital are called group two or alkaline earth metals. ... The last electron of an atom may find itself in either of the s, p, d and f subshells.

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Answer 2

Answer:

there are 12 groups in the periodic table

1st and 2nd groups are called s block while groups from 13-18 comes under p block.

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