Question

A. Scientist was. Shudying reactions
reactions of metale
and non-metals. He knew group 1 and 2 elements
are metals while grup lt elements are nonmelo
he chooses different elements hom groups,
group 2
and group 17
1) What is the valency of magnesium? 2
Name the element in grup 17 which belongs
to the same period as sodium
(iii) Group 1 elements are also called as
(iv) Name the element in group 1
(v) Group 17 elements are also
also called as a​

Answer 1

Answer 1) Valency of magnesium - 12

2)Chlorine

3)Alkali metals

4)Hydrogen, Lithium

5)Halogen

Answer 2

Answer:

1) 2 is the valency of Mg

2) It's Chlorine

3) Alkali Metals

4) H, Li, Na, K, Rb. Cs. Fr

5) Halogens