WorksheetsChemistry Semester 2 Final
Total questions: 70
Worksheet time: 2hrs 18mins
Name
Class
Date
1.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
2.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
3.
How many valence electrons do most atoms need to be stable?
a)
1
b)
2
c)
6
d)
8
4.
How many valence electrons does hydrogen have?
a)
1
b)
2
c)
3
d)
4
5.
What is the keyword for ionic bonding?
a)
Sharing valence electrons
b)
Sea of electrons
c)
Transferring of valence electrons
d)
There is nothing called an ionic bond
6.
Ionic bonds exist between a metal with a non-metal.
a)
True
b)
False
7.
All elements in group 13 have ______ valence electrons.
a)
2
b)
4
c)
3
d)
5
8.
The maximum number of electrons that can be placed in an d orbital.
a)
2
b)
6
c)
10
d)
14
9.
The maximum number of electrons that can be placed in an p orbital.
a)
2
b)
6
c)
10
d)
14
10.
Maximum number of electrons that can be placed in an s orbital.
a)
2
b)
6
c)
10
d)
14
11.
What is this element?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
12.
What is ionization energy?
a)
Energy needed to destroy an atom
b)
Energy required to remove an electron
c)
Energy needed to split an electron
d)
Energy required to add an electron
13.
Which of these elements has the lowest ionization energy?
a)
Oxygen (O)
b)
Boron (B)
c)
Carbon (C)
d)
Fluorine (F)
14.
In which way does ionization energy increase in the Periodic Table?
a)
Left to Right
b)
Top to Bottom
c)
Right to Left
15.
As you move down the periodic table atoms get bigger. This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more neutrons
16.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
17.
Electronegativity is...
a)
the ability of an atom to attract/ accept electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends.
18.
Atomic radius generally increases as we move __________.
a)
down a group and from right to left across a period
b)
up a group and from left to right across a period
c)
down a group and from left to right across a period
d)
up a group and from right to left across a period
19.
The tendency of an atom to attract electrons and acquire a negative charge
a)
electronegativity
b)
charge
c)
bonding ability
d)
electron configuration
20.
Vertical columns of elements (families) on the periodic table with similar properties
a)
groups
b)
periods
c)
quadrants
d)
rows
21.
How many valence electrons are elements trying to reach in their outer shells?
a)
1
b)
2
c)
5
d)
8
22.
How do you determine the number of valence electrons an element has?
a)
Look at its period
b)
Look at its group
c)
Look at its atomic number
d)
Look at its atomic mass
23.
Which statement is true?
a)
Oil is the most dense substance.
b)
Corn syrup is less dense than water.
c)
Oil is less dense than water.
d)
Oil and corn syrup have the same density but different masses.
24.
Pressure and Volume are ______ proportional.
a)
directly
b)
inversely
25.
Temperature and Pressure are _______ proportional.
a)
directly
b)
inversely
26.
Temperature and Volume are _______ proportional.
a)
directly
b)
inversely
27.
This is testing ___________
a)
relative density
b)
solubility
c)
mass
d)
conductivity
28.
Molecules spread out and move FAST!
a)
solid
b)
gas
c)
liquid
29.
Molecules are tightly packed together
a)
solid
b)
liquid
c)
gas
30.
The ability of a substance to dissolve is called...
a)
malleability
b)
ductility
c)
solubility
31.
If an ice cube is left out in room it will change from one state of matter to another. Which is the correct order of State of Matter that the ice cube will go through?
a)
Gas, Solid, Liquid
b)
Liquid, Solid, Gas
c)
Liquid, Gas, Solid
d)
Solid, Liquid, Gas
32.
Which state of matter has a fixed shape and volume and it's molecules move very slowly?
a)
Liquid
b)
Gas
c)
Solid
d)
Plasma
33.
A device that is used to measure atmospheric pressure is a ___________.
a)
barometer
b)
thermometer
c)
kilometer
d)
micrometer
34.
Which of the following statements is true?
a)
particles of a gas never collide
b)
particles of a gas collide with their container only.
c)
particles of a gas collide with each other in elastic collisions.
d)
particles of a gas collide with each other in inelastic collisions.
35.
What happens to air pressure as you move upward into the atmosphere?
a)
increases
b)
decreases
c)
stays the same
36.
When ______ occurs, particles in a gas lose enough thermal energy to form a liquid
a)
heat
b)
freezing
c)
condensation
d)
evaporation
37.
A shrinking puddle is an example of _______, or vaporization that takes place only on the surface of a liquid.
a)
evaporation
b)
condensation
c)
boiling
d)
melting point
38.
Gas expands to fit____________.
a)
the air
b)
the volume
c)
the shape and fill the volume of its container
d)
the walls of the container
39.
When heat is added, particles in a solid, liquid or gas...
a)
Are not affected
b)
Move faster
c)
Move slower
d)
None of the above
40.
An ideal gas is a hypothetical gas
a)
not made of particles.
b)
that conforms to all of the assumptions of the kinetic theory.
c)
whose particles have zero mass.
d)
made of motionless particles.
41.
What type of solid has particles arranged in a specific, repeating order?
a)
viscosity
b)
crystalline
c)
amorphous
d)
endothermic
42.
Which of the following is an example of an crystalline solid?
a)
Plastic
b)
Glass
c)
Charcoal
d)
Diamond
43.
A solvent is...
a)
a substance into which the solute dissolves
b)
a compound being dissolved
c)
a substance that does not dissolve
d)
None of the above
44.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
45.
Which is NOT a unique property of water?
a)
Frozen water floats on liquid water.
b)
Water covers most of the Earth’s surface and retains a large amount of heat.
c)
Water molecules stick to each other through hydrogen bonds.
d)
Water cools very rapidly.
46.
Water is a universal solvent
a)
True
b)
False
47.
What is the phase change of a solid to a liquid?
a)
freezing
b)
melting
c)
boiling
d)
condensation
48.
How are solids different from liquids?
a)
particles in solids are moving freely around each other.
b)
particles in solids have no motion.
c)
particles in solids are vibrating in place.
d)
particles in solids have more motion than in liquids
49.
7. All phase changes (changing states) requires energy to be added or taken away.
a)
True
b)
False
50.
If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?
a)
Al3+
b)
Al13+
c)
Al10+
d)
Al10-
51.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
52.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
53.
Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
54.
Many cleaning solutions are bases. Which of the following is a property of most bases?
a)
feels slippery
b)
white color
c)
can only be liquid
d)
tastes sour
55.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
56.
Which of the following is true about acids and bases?
a)
The lower the pH, the stronger the acid
b)
the higher the pH, the stronger the acid
c)
The lower the pH, the more neutral the acid
d)
The higher the pH, the weaker the base
57.
Substance that changes the rate of a chemical reaction without being consumed in the reaction
a)
bonding
b)
catalyst
c)
chemical reaction
d)
activation energy
58.
__________________ is the process in which two or more smaller nuclei combine to create a larger, more stable nuclei.
a)
Nuclear Decay
b)
Nuclear Fission
c)
Nuclear Fusion
d)
None of the above
59.
__________________ occurs when the repelling electrical forces within a nucleus overpowers the attracting the attracting nuclear forces.
a)
Nuclear Decay
b)
Nuclear Fission
c)
Nuclear Fusion
d)
None of the above
60.
What is the major drawback to fission power?
a)
Radioactive Waste
b)
CO2 Emissions
c)
SO2 Emissions
d)
All of the Above
61.
The atomic number of an atom or ion refers to the number of:
a)
neutrons
b)
protons
c)
nucleons
d)
electrons
62.
The atomic mass number of an atom refers to the number of:
a)
neutrons
b)
protons
c)
nucleons
d)
electrons
63.
What is the most abundant (by weight) element in living things?
a)
Carbon
b)
Hydrogen
c)
Oxygen
d)
Nitrogen
64.
What are the 6 essential nutrients of life?
a)
CHNaSeK
b)
CHNOPS
c)
CHeNOPoS
d)
CoHeNOPS
65.
Lipid is to insulation as carbohydrate is to __________________
a)
insulation
b)
quick energy
c)
heredity
d)
enzymes
66.
Fats, oils, and waxes are examples of:
a)
proteins
b)
lipids
c)
carbohydrates
d)
nucleic acids
67.
DNA and RNA are examples of:
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
68.
Enzymes are ______________ that speed up or carry out chemical reactions.
a)
lipids
b)
polysaccharides
c)
carbohydrates
d)
proteins
69.
The time it takes for 50% of the nuclei in a radioactive sample to decay to its stable isotope is called _____.
a)
the daughter product
b)
geologic time
c)
the half-life
d)
the half-time
70.
Carbon-14 is used to date fossils that came from
a)
nuclear reactions
b)
Living organisms
c)
nuclear waste
d)
carbon
100 %
