Definitions Flashcards
0
Q
Physical change
A
No new substances
1
Q
Physical properties
A
What the substance is like
2
Q
Chemical properties
A
The ability to undergo changes that create one or more substances.
3
Q
Chemical change
A
New substance is made
4
Q
Pure substance
A
Can be written in a chemical formula
5
Q
Mixture
A
Can only be in one proportion (not chemically bonded.
6
Q
Hetero and homogeneous mixes
A
Hetero can be told apart while homo appears as one part.
7
Q
Dilute
Supersaturated
Saturated
Unsaturated
A
Dilute: less concentrated
Supersaturated: more than max
Saturated: max
Unsaturated: less than max
8
Q
Isotope
A
One of two or more atoms with same # protons different # of neutrons.
9
Q
Precipitate
A
After a chemical change, a solid is formed
10
Q
Compound
A
Substance formed when 2 or more chemical elements are bonded
11
Q
Ion
A
Give or take ions.
