Question

define atomic number ​

Answer 1

Answer:

Here's Your Answer

Explanation:

>The number of protons in the nucleus of an atom determines an element's atomic number.

>For example, all hydrogen atoms, and only hydrogen atoms, contain one proton and have an atomic number of 1.

>The mass number of an atom is its total number of protons and neutrons.

>Atomic number is defined as the total number of protons present in the nucleus of an atom. It is denoted by Z.

Answer 2

$\huge\underline\bold\color{indigo}{Answer}$

• The total number of protons in the nucleus of an atom is called atomic number.
• For example, the atomic number of carbon is 6.
• The atomic number of an atom is denoted by 'Z'