Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
What's the Matter?
Discovering Design with Chemistry chapter 2
| Term | Definition |
|---|---|
| Pure Substance | A substance whose properties are the same throughout |
| Mixture | A combination of two or more pure substances |
| Homogeneous mixture | A mixture whose composition is the same throughout the sample |
| Heterogeneous mixture | A mixture whose composition is different in different parts of the sample |
| Law of Mass Conservation | In any chemical or physical process, the total mass of everything involved must remain the same |
| Element | A substance that cannot be chemically broken down into simpler substances |
| Compound | A pure substance that is composed of two or more elements |
| Law of Definite Proportions | A given compound will always have the same proportion of elements by mass |
| Molecule | A combination of two or more atoms joined together |
| Law of Multiple Proportions | When two elements combine to form different compounds, a fixed amount of one element will combine with the other element so that the ratio of the masses of the other element is a small whole number |
| Isotopes | Two or more atoms of the same element that have different numbers of neutrons |
Created by:
Pink Smiley Girl
Popular Chemistry sets