Question

write the name and symbol of element that has been used as a standard substance define the relative atomic mass.​

Answer 1

Answer:

Relative atomic mass (symbol: Ar) or atomic weight is a dimensionless physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant. The atomic mass constant (symbol: mu) is defined as being 112 of the mass of a carbon-12 atom.

Explanation:

I hope you got it well

Answer 2

Answer:

tssisstiwiskydooydoydoy

Explanation:

yodyodoydoddk6yxjgdt

fstduoheiyayt4sygy6eed