Physical Science Semester Test Review
Physical Science Semester Test Review (Chapters 1-6)
Chapter 1 (16 Questions)
Define:
scientific theory
scientific law
scientific model
hypothesis
control
mass
length
volume
weight
Familiarize yourself with the steps of the scientific method.
Review the base units for:
temperature
mass
length
volume
Under what conditions should a theory or law be changed?
A bag of apples weighs 3249 g. The weight in kilograms is?
Express the following numbers in scientific notation
125 and 8394000
Convert the following numbers to a decimal.
1 x 103 and 6.44 x 10-6
Chapter 2 (14 Questions)
Define:
matter
compound
mixture
element
pure substance
boiling point
melting point
freezing point
condensation point
miscible/immiscible
temperature vs. thermal energy
The formula for Sulfuric acid is H2SO4. How many atoms of hydrogen are there?
Sulfur? Oxygen? How many total atoms are present?
Be able tell if something is a homogeneous or heterogeneous mixture.
In Al3PO4, how many atoms are there in each molecule?
For each state of matter, describe the shape (holds its own vs. takes its containers shape)
and the volume (keeps its volume vs. volume determined by container)
Of mixtures and compounds, which ones are physically combined and which are
chemically combined?
What are the signs of a chemical reaction?
Use the wagon wheel equation above to solve the following problems.
1. Calculate the density of a sample of gas with a mass of 30 g and volume of 7500 cm3.
2. Calculate the mass of a solid with a density of 14.2 g/cm3 and volume of 350 cm3.
3. Calculate the volume of a solid with a density of 5.3 g/cm3 and a mass of 371 g.
Chapter 3 (17 Questions)
Define:
sublimation
condensation
evaporation
freezing
boiling
temperature
endothermic
exothermic
Pascal’s Principle
energy
Law of Conservation of Mass
Gay-Lussac’s law
Charles’s Law
Boyle’s Law
Bernoulli’s principle
buoyant force
Review the relationships between pressure, volume, temperature. If one goes up or
down, what happens to the others?
Describe the Kinetic Theory and its three main points?
According to the Kinetic Theory, how does the amount of energy affect the states of
matter?
Know what the variables stand for in the wagon wheel equation above.
Chapter 4 (23 Questions)
Define:
mass number
atomic number
chemical symbol
family/group
period
semi-conductor
valence electron
ion
isotope
molar mass
Review each of the following scientists:
Dalton
Heisenberg
Bohr
Thompson
Rutheford
Chadwick
Know where the following families are located and some of their characteristics:
Nobel gases, Alkali metals, Alkaline Earth metals, Transition metals, Halogens
Know where the following are located on the Periodic Table and their differences:
Metals, non-metals, and semi-conductors
What is the Modern Atomic Theory and who are Mendeleev and Mosley?
Know charge, location, and mass of protons, neutrons, electrons.
|element |symbol |protons |neutrons |electrons |e- config |valence e- |ion charge |
|lithium | | | | | | | |
|neon | | | | | | | |
|sulpher | | | | | | | |
The molar mass of krypton is 83.80 g/mol. The mass of 5.00 mol of krypton is ____________________ g.
The molar mass of palladium is 106.42 g/mol. Therefore, 53.2 g of palladium contains ____________________ mol.
1) The name dinitrogen tetroxide tells you that this compound contains
|a. |two nitrogen atoms and two oxygen atoms. |
|b. |four nitrogen atoms and two oxygen atoms. |
|c. |two nitrogen atoms and four oxygen atoms. |
|d. |four nitrogen atoms and four oxygen atoms. |
2) Fe2O3 is named iron (III) oxide because it contains
|a. |three oxygen atoms. |c. |three iron atoms. |
|b. |Fe3+ ions. |d. |O3+ ions. |
3) The name for the compound with the formula CuBr2 would be written as
|a. |copper(II) bromide. |c. |copper bromine. |
|b. |copper(I) bromide. |d. |copper(III) bromide. |
Chapter 5 (18 Questions)
Define:
chemical bond
ionic bond
metallic bond
covalent bond
polymer
monomer
alkane
alkene
alkyne
How can you tell if a metallic, ionic, or covalent bond will form?
Review the properties of compounds and mixtures.
Review the how to name ionic compounds vs. naming covalent compounds.
HINT: look over prefixes!!
What do the roman numerals in a chemical formula mean?
Know the difference between:
empirical formula, chemical formula, and structural formula.
What is the relationship between valence electrons and the number of bonds that can be
formed?
Chapter 6 (12 Questions)
Define:
reactant
product
enzyme
exothermic
endothermic
catalyst
coefficients
subscripts
equilibrium
I.D. when a chemical reaction has occurred.
How can you speed up a chemical reaction?
Identify and balance the following reactions:
_______ Fe(III) + O2 Fe2O3
_______ CH4 + O2 H2O + CO2
_______ CuCl2 + Al AlCl3 + Cu
_______ AgNO3 + NaCl AgCl + NaNO3
_______ H2O H2 + O2
You are producing magnesium oxide by the reaction 2Mg + O2 → 2MgO. If you start out with 6 moles of magnesium, you will need ____________________ moles of oxygen, and you will produce ____________________ moles of magnesium oxide.
In the chemical equation H2 + Cl2 → 2HCl, the mole ratios are ____________________.
In the chemical equation FeS + 2HCl → FeCl2 + H2S, the mole ratios are ___________________.
-----------------------
m
d v
f
p a
1s
2s 2p
3s 3p 3d energy夈多夜夞头夶夸夺奈奊奢奤奴妌妠妢妨妺怇怰恙悃悙悫惈惉惊惋óèêèèèèè level
4s 4p 4d 4f 1st holds 2
5s 5p 5d 5f 2nd holds 8
6s 6p 6d 6f 3rd holds 18
7s 7p 7d 7f
orbitals (#of e-)
s (2), p (6), d (10), f (14)
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