Question | Answer |
A change that occurs without changing the identity of the substance | Physical Change |
A change that occurs by changing the identity of the substance | Chemical Change |
When two or more substances are combined physically | Mixture |
When two or more substances are combined chemically and can't be separated by physical means | Compound |
Parts are mixed even throughout | Homogeneous Mixture |
Parts are uneven throughout | Heterogeneous Mixture |
part of mixture where the solute is dissolved/ mixed evenly in solvent | Solution |
The part of the solution that dissolves | solute |
The part of the Solution that the solute dissolves in | solvent |
One of the 100 or more units that make up all matter, and found on the Periodic Table | Element |
The elements and compounds you start with in a reaction/ equation | Reactant |
The elements and compounds that you end with in a reaction/equation | Product |
The ability to react with another element or compound | Reactivity |
The number in front of the molecule | Coefficient |
The number to the bottom right of an element that tells how many atoms there are of that element | Subscript |
Group 1 a highly reactive group of metals that makes compounds with Group 7 | Alkali Metals |
Group 7 a highly reactive group of non-metals that makes compounds with Group 1 | Halogens |
Group 8 a group of Non-Reactive, non-metals that are all gases at room temperature | Noble Gases |