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
ch15vocsience
| Question | Answer |
|---|---|
| Substance | is a type of matter with a fixed composition |
| Element | is a substance made up of atoms that are all alike |
| Compound | is a substance in which the atoms of two or more elements are chemically combined in a fixed proportion |
| Heterogeneous mixture | a mixture in which different materials remain distinct |
| Suspension | is a heterogeneous mixture made of a liquid and solid particles that settle |
| Colloid | is a heterogeneous mixture with particles that never settle |
| Tyndall effect | the scattering of a light beam as it passes through a colloid |
| homogeneous mixture | is a mixture that remains constantly and uniformly mixed and has particles that are so small that they cannot be seen with a microscope |
| Solution | is the same thing as a homogeneous mixture |
| Physical property | any characteristic of a material that you can observe without changing the identity of the substance |
| Physical change | a change in size ,shape ,or state of matter in which the identity of the substance remains the same |
| Distillation | the process of separating substances, such as salt and water, in a mixture by evaporating a liquid and recondensing its vapor |
| Chemical property | any characteristic of a material that you can observe that produces one or more new substances |
| Chemical change | a change of one substance to another |
| Law of conservation of mass | the mass of all substances that are present before a chemical change, known as the reactants ,equals the mass of all of the substances that remain after the change, which are called the products |
Created by:
amgrace