in the periodic table below, shade the s - block elements.

in the periodic table below, shade the s - block elements.
Answer
Brief Explanations:
The s - block elements are in groups 1 and 2 (alkali metals and alkaline - earth metals) and helium. Helium has its outermost electrons in the 1s orbital, and elements of group 1 have one electron in their outermost s - orbital while group 2 elements have two electrons in their outermost s - orbital.
Answer:
Shade H, Li, Be, Na, Mg, K, Ca, Rb, Sr, Cs, Ba, Fr, Ra, He