Chapters 1 & 2 Flashcards
1
Q
CHEMICAL
A
any substance with a definite composition
2
Q
MATTER
A
anything that has mass and takes up space
3
Q
ATOM
A
smallest, most basic form of matter
4
Q
COMPOUND
A
substances that are joined by chemical bonds made of 2+ different elements
5
Q
PHYSICAL PROPERTIES
A
properties observed without changing a substance
6
Q
CHEMICAL PROPERTIES
A
substances’ ability to undergo changes into a different susbstance
7
Q
PHYSICAL CHANGE
A
identity of substance does NOT change
8
Q
CHEMICAL CHANGE
A
identity of substance DOES change
9
Q
REACTANTS, WHERE DO THEY GO?
A
reactants on LEFT of arrow
10
Q
PRODUCTS, WHERE DO THEY GO?
A
products on RIGHT of arrow
11
Q
SOLID
A
has volume
has shape
12
Q
LIQUID
A
has volume
“no shape”
13
Q
GAS
A
no shape
no volume
14
Q
HOMOGENOUS MIXTURE
A
2 states of matter making a mixture
15
Q
HETEROGENOUS
A
do NOT make a mixture
