EXAM Chapter 2: E. C. M. Flashcards
1
Q
that which has mass and volume
A
matter
2
Q
its the smallest unit of a substance that has the properties of that substance -
A
atom
3
Q
two or more atoms bonded together -
A
pure substance
4
Q
three classifications of matter -
A
elements
compounds
mixtures
5
Q
they are a pure substance
ONE type of atom
CANNOT be broken down
A
element
6
Q
they are a pure substance
with 2 or more DIFFERENT elements that are bonded together
can be broken down by chemical change
A
compounds
7
Q
elements always combine in a ___________ _________ in compounds -
A
specific ratio
8
Q
they are NOT a pure substance
are a combination of two or more substances
they are NOT chemically bonded
can be broken down by physical changes
A
mixtures
9
Q
its the study of matter -
A
chemistry
