Question

The list below represents some elements of the periodic table: Cl, He, Li, Mg and Fe. Answer the

following questions: a) Which element belongs to period 1? b) Which element belongs to group 2? c)

Which element is an alkali metal? d) Which element is a halogen? e) Which element is a transition

element? f) Which element is a noble gas?​

Answer 1

Answer:

A. Elements belongs to period 1 are

Lithium (Li) , Magnesium (Mg)

B. Elements belongs to period 2 are

Iron (Fe)

C. Elements belongs to alkali metal are

Lithium (Li)

D. Elements belongs to halogens are

Iron (Fe) , Chlorine (Cl)