Question

Hydrogen has three isotopes 1H, 2H, and 3H. What is the difference between these three isotopes? The number of protons ranges from 1 to 3. The number of electrons ranges from 1 to 3. The number of neutrons ranges from 0 to 2. The number of protons ranges from 0 to 2.

Answer 1

The number of neutrons ranges from 0 to 2. By definition isotopes have the same number of Protons, but different number of Neutrons.

Answer 2

Answer : Option C) The number of neutrons ranges from 0 to 2.

Explanation : By the definition of isotopes, any atom which has same proton but differ in number of neutrons. In the given element which is Hydrogen. Which has three isotopes 1H, 2H and 3H. It has the same proton which is 1 and neutrons ranges from zero to 2. 1H has no neutrons, 2H has one neuton and 3H has two neutrons.