Question

difference between atomic number and atomic mass number.
plz any one help.​

Answer 1

Answer:

ATOMIC NUMBER- It is defined as the total number of proton or electron in atom.

ATOMIC MASS- It is defined as sum of proton and neutrons present in atom.

Answer 2

Answer:

atomic mass

Atomic mass is associated with the number of neutrons and protons that are present in a particular nucleus of an element.

It is the average weight of an element.

Atomic mass is denoted by A

Atomic mass cannot be be used to define the type of element.

Atomic mass is also used to classify different isotopes of the same element

Atomic number is usually the number of protons present in an element’s nucleus.

Atomic mass is mostly measured using atomic mass unit (amu).

atomic number

Atomic number is usually the number of protons present in an element’s nucleus

It is the total number of nucleons in the atom’s nucleus.

The letter Z is used to represent an atomic number.

Atomic number mainly helps in the classification and identification of an element.

Isotopes only share the same atomic number.

Atomic number is just a digit that is used to place elements in a periodic table.