Question

The number of neutrons in deuterium, an isotope of hydrogen is:
(A) one
(B) two
(C) three
(D) None

Answer 1

Answer:

b) the no. of neutrons in deuterium is 2

Answer 2

Dear Student,

◆ Answer - (A)

The number of neutrons in deuterium, an isotope of hydrogen is one.

● Extra information -

• Variants of element with same atomic number but different atomic mass number are called as isotopes.
• Hydrogen has three isotopes - Protium, Deuterium, Tritium.
• Deuterium is an isotope of hydrogen having one proton, one neutron and one electron.
• Atomic mass of deuterium is 2 amu.

Thanks dear. Hope this helps you...