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Sec 1.2-1.4 Vocab
Question | Answer |
---|---|
Sec.1-2 weight | The measure of the force of gravity on a substance. |
Weight is the measure of the force of ____ on a substance | gravity |
Sec. 1-2 mass | The measure of how much matter is in a substance |
Mass is the measure of how much _________is in a substance. | matter |
Sec. 1-2 volume | The amount of space a substance takes up |
Volume is the amount of __________ a substance takes up. | space |
Sec. 1-2 density | The measure of how much mass is in a given volume |
Sec. 1-2 S.I. | (Metric System-International System if Units-System international) The system of metric units used by scientists to measure the properties of matter |
Sec. 1-3 atom | The smallest particle of an element |
Sec. 1-3 molecule | The smallest unit of a compound, or a combination of two or more atoms |
Sec. 1-3 chemical bond | The force that holds two atoms together. |
Sec. 1-4 ore | A rock that contains a metal or other economically useful element |
Sec. 1-4 electrolysis | A process in which an electrical current breaks chemical bonds. |
Sec. 1-4 electrode | A metal strip used in electrolysis. |