chapter 1 Flashcards
(19 cards)
1
Q
definition of pure matter
A
a substance composed of only one type of atom/molecule
2
Q
definition of mixture
A
a substance composed of two or more atoms/molecules
3
Q
definition of element
A
a substance that cannot be broken down into a simpler one
4
Q
definition of compound
A
a substance composed of two or more elements
5
Q
What does a physical change do?
A
changes the appearance/state
6
Q
what does a chemical change do?
A
alters the composition of matter
7
Q
what is G
A
giga (10^9)
8
Q
What is M
A
mega (10^6)
9
Q
what is K
A
kilo (10^3)
10
Q
what is d
A
deci (10^-1)
11
Q
what is c
A
centi (10^-2)
12
Q
what is m
A
milli (10^-3)
13
Q
what is μ
A
micro (10^-6)
14
Q
what is n
A
nano (10^-9)
15
Q
what is p
A
pico (10^-12)
16
Q
what is f
A
femto (10^-15)
17
Q
what is the convertion of C–>F
A
9/5*C+32=F
18
Q
what is the convertion of F–>C
A
5/9(F-32)=C
19
Q
what is the convertion of C–>K
A
C+273=K
