Mention the isotopes of (i) Carbon

Mention the isotopes of (ii) Neon

What are isotopes? Mention the isotopes of hydrogen

Mention some uses of sodium carbonate.

Assertion (A): The isotopes of hydrogen show much difference in their physical properties than isotopes of other elements Reason (R): The isotopes of hydrogens widely differ in their mass numbers.

The number of nucleons in the isotope of an atom ._(Z)X^(m) are

The number of nucleons in the isotope of an atom ""_(z)X^(m) are

Mention the natural sources of carbon compounds.

What is the main difference among the isotopes of the same element?