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Kemistreeee .

A Type of Science

Atom Smallest Unit of matter. Has all the chemical charicteristics of an element and cannot be seen even with a horoscope. It is mostly empty space.
Scientific Model An idea that allows us to create an explanation of how we think some parts of the world works and is similar to a theory.
Scientific Evidence A collection of obsevations that many people have made. Everyone agrees
Atomic Number The number of protons in the nucleus of an atom.
Atomic Mass The weight or mass of a single atom which is the same as the mass number.
Mass Number The number of protons and the number of neutrons.
Created by: JukaaBarbieee