(g) grams- is the unit used in the metric system.
The base unit for measuring mass is kilograms.
milligrams.
The metric standard unit of mass is the kilogram (Kg).
The SI (metric) unit for mass is the kilogram.
The SI unit for mass in the metric system is the kilogram.
The Newton.
kilograms
A neutron is an electrically neutral subatomic particle. A Newton is the metric unit of force. A Kilogram is the metric unit of mass. We have no idea what a 'newtron' is.
The metric system is an international decimalised system of measurement, first adopted by France in 1791, that is the common system of measuring units used by most of the world.
The answer depends on what characteristic of the raisin is being measured: its mass, its length, volume, temperature - or whatever.
The SI unit of mass is the Kilogram.