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unit 1 vocab
| Term | Definition |
|---|---|
| matter | a substance that takes up space and has mass |
| chemical reaction | a transformation of matter to create new substances |
| atom | smallest particle of matter in an element |
| compound | 2 or more chemically bonded elements |
| mass | the sum of numbers of protons and neutrons in the nucleus of an atom or ion |
| element | the simplest substance composed of atoms |
| Kinetic Theory | Bernoulli's explanation that gas pressure was the result of millions of tiny collisions between ball particles |
| Law of conservation of mass | Mass is not lost or gained during a chemical reaction. |
| Total mass of reactants | total mass of products; atoms cannot be destroyed |
| density | The amount of matter in a given space |
| volume | the amount of space required to accommodate matter |
| periodic table | table of chemical elements |
| sublimation | solid to gas |
| deposition | gas to solid |
| vapor | gas |
| melting | solid to liquid |
| condensation | gas to liquid |
| meniscus | how to measure volume based on the curvature of a liquid |
| kinetic molecular theory | changes of states of matter b/c of the particles colliding together |
| Lavoisier | invented the conservation of matter- one cannot create nor destroy matter |
| Mendeleev | organizer of the periodic table aka the father of the periodic table |
Created by:
sahti