Set #1
1. How many significant figures in:
35.080
0.00760
2.
What is the SI unit for:
mass
temperature
quantity of a substance
3. Convert the following:
300mg = ____g
7000 km = ____ Gm
275,000 μs = ______ s
Set #3
1. What are the 3 parts of an atom?
2. What are their charges and locations?
3. What was found out through the gold
Foil experiment? Whose experiment.
was it?
4. What is the atomic number, mass
number and atomi mass?
4. How would you find the density of an
irregular solid?
5. What is the density of a 13g piece of
metal with a volume of 12.5 cm3?
Set #2
1. Identify the following as heterogeneous or
homogeneous mixtures:
soil
kool-aid
brass milk
2. Identify the following as chemical or
physical changes:
tearing paper
melting ice burning coal
boiling water
forming a precipitate
3. Identify the following as chemical or
physical properties:
boiling point reactivity with acid
density
mass
reactivity in air
flammability
5. What is an isotope? How many
protons, neutrons and electrons are in:
Calcium – 42
Gold – 198
48 4+
Ti
Set #4
1. How many protons, electrons and neutrons
are in Phosphorus-32?
2. What is the average atomic mass for an
element with these isotopes?
19.8% 10.013amu
80.2% 11.009 amu
3. What is the atom above?
4. What is an exothermic reaction?
4. What is the difference between atomic
mass and mass number?
5. Identify the following as elements,
compounds or mixtures:
salt
sand
silver
water
Stainless Steel
clay
5. Who discovered the electron? What
experiment is associated with this?
Set #5
Set #7
1. How do ions get a + or – charge?
How do we determine the exact charge
for:
C
K
I
He
Sr
2. What is the charge of the following:
F
Mg
Al
Ne
Zn Pb
3. How do elements’ electron clouds become
stable? (tell 3 conditions)
4. Define groups and periods.
1.
What are the prefixes for:
4
6
10
2. What is the formula for:
Disulfur pentoxide
triarsenic heptabromide
Carbon Monoxide
3. What is the formula for:
Lead (IV) Bromate
Cuprous hydroxide
Stannous Phosphate
4. What is the formula for:
Nitrous Acid
Sulfuric Acid
Hydrobromic Acid
5. What is the group name for these
elements: Kr Ba Li Ag Br O
Set #8 The Mole
Set #6
1. Name the following:
NaCl
K3PO4 Sn(ClO)4
Ag(IO2) · 4H2O
2. Name the following:
SI2
N3O2
PCl5
1. a. Determine the molar mass of
Potassium Phosphate
b. Given 125 grams of Potassium
Phosphate, how many moles?
c. If 1.75 moles of Potassium
Phosphate are needed, how many grams is
that?
3. Name the following acids:
HI H2SO3 H3PO4
2. How many atoms are in 59.0 grams of
Sodium?
4. What is the formula for:
calcium hydroxide
Ferric Nitrate
Vanadium(V) Acetate
Lithium perbromate hexahydrate
3. Find the percent composition for
Gold(III) Phosphate.
4. Determine the Molecular Formula for:
C = 92.3 g
H = 7.70 g
And Molar Mass = 78.0 g/mol
Set #9
1.
Draw the Lewis structure for the
following:
HBr H2O C2H6 BH3 PCl5
2. Give the shapes of the molecules
above
3. Tell if the bonds and the molecules
are polar or nonpolar
4. Give the intermolecular forces for the
above
5. A density lab determines the density
of Copper is 8.05 g/mL. A reference book
shows the True density as 8.95 g/mL
What is the % error?
6. How many sig figs?
a. 0.0025 s
b. 175,000 m
c. 6.500 g
Set #10 Nuclear
1. What are the symbols for alpha, and beta
particles?
2. Neptunium-237 undergoes alpha decay.
Write the eq.
3. Phosphorus-28 undergoes beta+ decay.
Write the eq.
4. Complete the eq’ns:
a.
239
94
b.
14
7
Pu+ 24 He  01 n+____
N + _____ 
14
6
C + 11 H
5. Given 500. grams of radioactive
Strontium-90. How many grams will still be
radioactive after 5 half-lives?