Question

Identify the heaviest member of each of the following groups:

a) Alkali metals
b) Alkaline earth metals
c) Halogens
d) Noble gases

Answer 1

The heaviest member of each group are: alkali metals - Francium (Fr), alkaline earth metals - Radium (Ra), halogens - Astatine (At), noble gases - Radon (Rn).

Step-by-step explanation:

The heaviest member of each group are as follows:

a) Alkali metals: Francium (Fr) is the heaviest alkali metal with an atomic weight of 223.

b) Alkaline earth metals: Radium (Ra) is the heaviest alkaline earth metal with an atomic weight of 226.

c) Halogens: Astatine (At) is the heaviest halogen with an atomic weight of 210.

d) Noble gases: Radon (Rn) is the heaviest noble gas with an atomic weight of 222.