Question

How can we find out atomic mass of an element .
Give one example

Answer 1

To calculate the atomic mass of a single atom of an element, add up the mass of protons and neutrons. Example: Find the atomic mass of an isotope of carbon that has 7 neutrons. You can see from the periodic table that carbon has an atomic number of 6, which is its number of protons.

Answer 2

We can found out the atomic mass of animal elements by using its proton and neutron.
Atomic mass = no. Of neutron + number of proton