The amount of matter in an object is its Mass...
<span>a particular kind of matter with uniform properties.
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Electrons determine the chemical properties. Protons and neutrons are in the nucleus the number of protons determines the number of electrons of an atom
<span>Its b.aluminum
I hope this helps and sorry if I am wrong </span>
I believes you would use grams to describe the mass of a tablespoon an you should report that guy