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Science Vocab
Question | Answer |
---|---|
States that the mass of an isolated system will remain constant over time. | Law of conservation of mass |
Physical Change are changes affecting the form of a chemical substnace. | Physical Change |
Chemical Changes occur when a substance combines with another to form a new substance. | Chemical Change |
Simpleast form of matter. It can't be broken down. | Element |
Chemical Formula isa way of expressing information about the atoms that constitute a particular chemical compound. | Chemical Formula |
Molecule of only 1type of atom. | Element Molecule |
Mode of more than 1type of atom. | Compound Molecule |
Shorthand form for writing what reactants are used nad what products are formed in a chemical reaction. | Chemical Equation |
A process that produces chemical change. | Chemical Reaction |
Reactants are the substances that exist before the reaction begins. | Reactants |
The substances that form as a result of the reaction are called products. | Products |
It tells the number of molecules. | Coefficient |
It tells the number of a certain type of atom in one molecule. | Subscript |
Diatomic molecules are molecules composed only of two atoms. | Diatomic |