Question

Among the elements from atomic number 1 to 36. the
number of elements which have an unpaired electron
in their s subshell is
​

Answer 1

Answer:

the answer will be 3...

Answer 2

Answer:

Explanation:Elements from atomic number 1 to 36 are from Hydrogen (H) to Krypton (Kr) which includes 1 to 4 period elements and all 18 groups.

The four elements of group 1 do contain ns1 electrons, also Cr and Cu contains an unpaired electron in s-orbital.

​Therefore, total 6 elements contains unpaired electron in s-orbital.