303,552 views
20 votes
20 votes
3. The sign of the relative atomic mass is A.Ra B.Am C.Ar

3. The sign of the relative atomic mass is A.Ra B.Am C.Ar-example-1
User Rohit Shinde
by
2.9k points

1 Answer

13 votes
13 votes

Relative atomic mass 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.

Its symbol is Ar

Answer:


A_r

User Dem Pilafian
by
3.0k points