There is only one metric system. The relevant units would be grams.
You would use the unit of measure called "kilograms" to measure the mass of an elephant.
You would use the metric unit "kilograms" to measure the mass of a wardrobe.
The most common thing you would measure mass in would be grams and kilograms
Scientists use a unit called atomic mass unit (amu) to measure the mass of particles within an atom. This unit is based on the mass of a proton or neutron, and it helps scientists compare the mass of different atoms accurately.
Depending on the model and material; you can measure the mass using a suitable balance.
You would use the unit of measure called "kilograms" to measure the mass of an elephant.
Strawberries would be measured in grams or ounces.
You Use Atomic Mass Number
Kilograms
Grams
Milligram: to measure its mass.
Mass is measured using kilograms.
The SI unit for mass is the kilogram (kg)
You would use the metric unit "kilograms" to measure the mass of a wardrobe.
GRAMS
Mass is measured in grams.
kl