Question

Define the followings- Atomic number,Mass number and Isobars.​

Answer 1

Answer:

Atomic number : the number of protons that a chemical element has in its centre (nucleus).

Mass number : the total number of protons and neutrons in an atom.

Isobars : a line on a weather map that joins places that have the same air pressure at a particular time.

Answer 2

$\huge\mathbb\green{Hi!!}$

$\Huge{\boxed{\mathbb{\fcolorbox{blue}{purple}{Answer}}}}$

$\huge\bold\pink\bigstar{Atomic number}$

the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus.

$\huge\bold\pink\bigstar{Mass number}$

The mass number, also called atomic mass number or nucleon number, is the total number of protons and neutrons in an atomic nucleus.

$\huge\bold\pink\bigstar{Isobars}$

Isobars are atoms of different chemical elements that have the same number of nucleons.