Group V is also known as ………..
a) Boron family
b) nitrogen family
c) carbon family
d) oxygen family
Explanation:A pnictogen is any of the chemical elements in group 15 of the periodic table. This group is also known as the nitrogen family. It consists of the elements nitrogen, phosphorus, arsenic, antimony, bismuth, and perhaps the chemically uncharacterized synthetic element moscovium.
Nitrogen family contains……….electrons in their valance shell.
a) 3
b) 4
c) 5
d)7
Group VI is also known as ………..
a) Boron family
b) nitrogen family
c) carbon family
d)oxygen family
Explanation:The chalcogens are the chemical elements in group 16 of the periodic table. This group is also known as the oxygen family. It consists of the elements oxygen, sulfur, selenium, tellurium, and the radioactive element polonium
Oxygen family contains ………. electrons in their valance shell.
a) 3
b) 4
c) 5
d) 6
The seventh group is also called……….
a) alkali metals
b) nitrogen family
c) noble gases
d) halogens
Explanation:The halogens are the family of chemical elements that includes fluorine (atomic symbol F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The halogens make up Group VIIA of the Periodic Table of the elements
Halogens family contains ……….electrons in their valance shell.
a) 3
b) 4
c) 5
d) 7
