Question

what do you mean by SI units ?what is the SI unit of mass​

Answer 1

Answer:

International System of Units

a system of physical units ( SI units ) based on the metre, kilogram, second, ampere, kelvin, candela, and mole, together with a set of prefixes to indicate multiplication or division by a power of ten.

Answer 2

Answer:

A system of physical units ( SI units ) based on the metre, kilogram, second, ampere, kelvin, candela, and mole, together with a set of prefixes to indicate multiplication or division by a power of ten.

The SI unit of mass is the kilogram (kg).