Question

The every substance of atom have same
Moss? explain it​

Answer 1

The atomic mass unit (amu) is defined as exactly one-twelfth the mass of a carbon atom that has six protons and six neutrons in its nucleus. ... It is the same as the number of electrons around the nucleus of the electrically-neutral atom. The mass number of an atom is equal to the total number of protons and neutrons.

Answer 2

Explanation:

no , they dont have same mass

because atoms of different element have different mass.

for example

water and oil

take them in same volume but they will weight different...

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