Quiz chapter 1 and 2 Flashcards
What is a heterogenous mixture
things that dont mix well
What is a homogenous mixture
things that mix well
examples of a homogenous mixture
vinegar
air
sugar and water
examples of a heterogenous mixture
concrete
sand and water
oil and water
list me 5 Intensive properties
Boiling point
Melting Point
Temperature
Density
Color
list me 5 Extensive properties
Volume
Mass
Size
Weight
Length
How to find density
D=M/V
how to find Mass
M=DxV
List the 8 prefixes in order
P
n
mu
m
c
d
K
M
G
how to find Volume
V=M/D
how to calculate m/s to miles/h
x by 2.237
How to find kelvin
k=c+273
how to find celcius
c=k-273
3 or less are called (suffix)
-ide
How many electrons are present in Li^+ when Li^3
3-1=2
3 or more are called (suffix)
-ate
How to identify covalent compound
non metal + non metal
How to identify ionic compound
non metal + Metal
group 2 in the p table is named
alkaline metal
group 16 in the p table is named
chalcogen
group 17 in the p table is named
halogen
atomic mass =
proton + neutron
Fe^57 (Fe^26 in the p table) Find the neutrons
57 - 26 = 31
How to find the pair of isotopes
When the bottom 2 numbers are the same
Find the average atomic mass
20.5 — 31.16
75.3 — 34.30
4.2 — 35.30
After the long calculation your answer should be 33.70
How many sig figs in (0.00023040)
5
How many sig figs in (1040000)
7
How many sig figs in (02000)
1
How many sig figs in (10.0)
3
