The SI base unit for mass is the kilogram
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Yes, the kilogram is the SI base unit for mass. Fun fact: the kilogram is the only SI base unit with a prefix.
No, the centigram is not the base unit for mass. The base unit for mass in the International System of Units (SI) is the kilogram. The centigram is a subunit of the gram, which is derived from the base unit of mass.
The SI unit for mass is the kilogram (kg). It is defined by the mass of the international prototype of the kilogram, which is a platinum-iridium alloy cylinder stored in France.
No, gram is not a base SI unit. The base SI unit for mass is the kilogram (kg). The gram (g) is a derived unit of mass in the metric system, where 1 kilogram is equal to 1000 grams.
Yes, the ampere is an SI base unit, one of the seven, and equals the passage of a Coulomb of charge per second. Its official definition has to do with force between current carrying wires though.