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Chemistry Unit Pt. 2
Words given by teacher to study
Question | Answer |
---|---|
Inert | Noble gases that are not chemically reactive |
Mass | Weight of an object |
Matter | something that occupies space |
Melting | solid to a liquid |
Melting Point | temperature substances change from a solid to liquid |
Particle Theory of Matter | theory that describes behavior of matter |
Physical Property | characteristics of a substance without changing its composition |
Pure Substance | substance that only made of one particle |
Solution | mixture of two or more substances |
Sublimation | solid to gas |
Volume | how much matter is in something |
Atom | smallest unit of a substance |
Atomic Mass | the mass of an atom in atomic mass units |
Atomic Number | the number of protons in an atom |
Atomic Theory | Theory of matter being made up of small atoms |