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Term | Definition |
---|---|
Matter | The substance or substances of which any physical object consists or is composed |
Atom | The smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction; |
Molecule | The smallest physical unit of an element or compound consisting of one or more like atoms in an element and two or more different atoms in a compound |
Compound | composed of two or more parts, elements, or ingredients |
element | A component or constituent of a whole or one of the parts into which a whole may be resolved by analysis |