Question

name the element used as starndard for atomic scale​

Answer 1

Answer:

carbon element

Explanation:

carbon element is used as standard for atomic scale

Answer 2

Answer:

carbon-12

Explanation:

The standard unit of atomic mass has been one-twelfth the mass of an atom of the isotope carbon-12. An isotope is one of two or more species of atoms of the same chemical element that have different atomic mass numbers (protons + neutrons).