2 Flashcards Preview

Chemistry 11: Unit Test > 2 > Flashcards

Flashcards in 2 Deck (8)
Loading flashcards...
1

Pure substance

1 type of compound
Can’t be physically separated
Unique set of physical properties

2

Mature

More than 1 type of compound
Can be physically separated
Change based on physical properties

3

Mechanical mixture

Heterogenous mixture (you can tell there’s more than one because they separated into their separate layers)

4

Order of phases

Solid
Melting
Liquid
Evaporation
Gas

5

Ionic

Usually solid
High melting point
Conduct electricity in water

6

Molecular (covalent)

Gas or liquid
Melting point usually low
Don’t conduct electricity

7

Acids

Dissolve in water to form “H” ions
Sour/tarte taste
Sting skin
React with mist metals

8

Base

Form “OH” ions
Bitter taste
Slippery in skin
Doesn’t react to most metals
Doesn’t transfer a lot