What is the relation between the atomic number (Z) and the mass number (A) of two isobars?

Differentiate between the atomic number and the mass number.

What is the relation between the radius of the nucleus and the mass number?

What is the relation between size of nucleus R (radius) and mass number (A)?

(a) What is mean by (i) atomic number, and (ii) mass number, of an element ? Explain with the help of an example (b) What is the relation between the atomic number and mass number of an element ? (c) If an element M has mass number 24 and atomic number 12, how many neutrons does its atom contain ?

What is atomic number and mass number?

What are atomic number and mass numbers ?

How are the atomic number (Z) and mass number (A) related to each other?

What is the relation between mass and number of moles of the gas ?