Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Chemistry is the study of ___________ and the changes it undergoes. |
Matter
|
|
|
|
Matter
|
Anything that has mass and occupies space.
|
|
|
|
States of matter.
|
Solid, liquid, gas, plasma, and liquid crystal.
|
|
|
|
_____ determines state of matter.
|
Attractive forces of atomic particles
|
|
|
|
Loss of an electron creates...
|
a positive ion
|
Electrons are negative.
|
|
|
An electron gained creates...
|
a negative ion
|
electrons are negative
|
|
|
Sublimation
|
When a solid goes straight to a gas
|
|
|
|
Deposition
|
When a gas goes straight to a solid.
|
|
|
|
Compound
|
substance composed of atoms of two or more elements chemically united in fixed proportions
|
|
|
|
Heterogeneous Mixture
|
not uniformly distributed
|
Sand & Salt
|
|
|
Homogeneous Mixture
|
uniformly distributed
|
Salt water
|
|
|
Matter can either be ___ or ___.
|
A Mixture or a pure substance.
|
|
|
|
The symbols of the elements were derived from their _____ ______. |
Latin names
|
|
|
|
Physical change
|
a change that does not alter the composition or identity if a substance.
|
|
|
|
Melting point
|
the temp at which a substance changes from a solid to a liquid.
|
|
|
|
Boiling point
|
temp at which the vapor pressure of a liquid equals the external pressure surrounding the liquid.
|
|
|
|
Chemical change
|
a change that alters the composition or identity of the sunstance(s) involved.
|
|
|
|
Intensive Property
|
DOES NOT depend upon how much matter is being considered.
|
Mass, Volume, Length
|
