Download File

CHEMISTRY I
REVIEW FOR FIRST
SEMESTER FINAL
Name ____________________________________
Period ____________
Date _____________
Basic terms and concepts you should be familiar with
for the first semester final.
Key Terms / Concepts
Alkali metals
Alkaline metals
Anion
Atomic radius
Balancing equations
Catalyst
Cation
Coefficients
Conductors
Conversions
Covalent bonds
Electron configurations
Electrons
Endothermic
Exothermic
Halogens
Ion
Ionic
Lewis dots
Lewis Structures
Lone Pairs
Metallic
Metalloids
Molar Mass
Moles
Neutrons
Noble gases
Nomenclature
Nonpolar
Percent composition
Polar
Products
Protons
Reactants
Scientific Notation
Short hand Electron Configs
Significant figures
Signs of chemical rxns
Spin diagrams
State Symbols
Types of rxns
Valence electrons
VSEPR theory
Alpha particle
Beta particle
Gamma ray
Positron
Sample final questions
Look closely because you have had very few if any multiple choice questions this
semester. (Some questions will require calculations)
1.
If the density is 2.55 g/ml and the mass is 14.7 g, what is the volume?
a.
37.19 ml
b.
0.172 ml
c.
5.81 ml
d.
4.67 g
2.
When the following equation is balanced, what are the coefficients in order?
AlPO4 + NAOH → Al(OH)3 + Na3PO4
a.
1,3,2,1
b.
c.
1,3,1,2
d.
3.
What is the SI unit for length?
a.
Kilogram
c.
Meter
b.
d.
1,3,1,1
none of the above
Degree C
Foot
4.
In a combustion reaction one of the products is…
a.
Nitrogen
b.
c.
Oxygen
d.
Water
Hydrogen
5.
The vertical columns of the periodic table are called…
a.
Rows
b.
Groups
c.
Periods
d.
Transitions
6.
How does atomic radius change as you go down a group in the periodic table?
a.
It decreases
b.
It increases
c.
It does not change
7.
The electron configuration 1s2, 2s2, 2p6, 3s2, 3p2 represent which element
a.
Carbon
b.
Nitrogen
c.
Phosphorus
d.
Silicon
8.
Find the formula for a compound that is 63.5% Silver, 8.25% nitrogen and
28.26% oxygen
a.
AgNO
b.
Ag2NO2
c.
AgNO2
d.
AgNO3
9.
The isotope U-238 has how many neutrons
a.
92
b.
c.
147
d.
93
146
Which of the following is NOT diatomic
a.
Chlorine
c.
Nitrogen
Carbon
Iodine
10.
b.
d.
11.
Which of the following is not a definite sign of a chemical reaction
a.
Gas Bubbles
b.
Heat
c.
Color Change
d.
Precipitant
12.
How many valence electrons does selenium have?
a.
3
b.
4
c.
6
d.
2
13.
What is the formula of Iron (III) oxide?
a.
Fe3O
b.
Fe3O2
c.
FeO3
d.
Fe2O3