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WorksheetsChemistry Semester 1 Review
Total questions: 75
Worksheet time: 3hrs 30mins
Which state of matter does this picture show?
Solid
Liquid
Gas
What state of matter does this picture show?
Solid
Liquid
Gas
Which state of matter does this picture show?
Solid
Liquid
Gas
As temperature increases, what happens to particles?
They speed up
They slow down
Which will heat up faster?
copper
granite
iron
basalt
Which of the following best explains why the sand at the beach is hotter than the water?
Sand has a higher specific heat than water.
Sand has a lower specific heat than water.
There is more water than sand at the beach.
There is more sand than water at the beach.
The amount of energy required to raise the temperature 1ºC for every gram is called____?
Thermal Energy
Specific Heat
Temperature
Kinetic Energy
The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?
66.5 J
665 J
0.0266 J
0.665 J
Which color has the longest wavelength?
Yellow
Red
Green
Purple
What is the saying that can help you remember the order of the visible spectrum?
ROYGBIV
RYOBIVG
ROYBVIG
RIBYOVG
What color has the shortest wavelength and highest frequency?
Violet
Orange
Red
Blue
A wave with a large wavelength will have a ______ frequency and _____ energy
high, low
high, high
low, high
low, low
If short wavelength has more ENERGY than long wavelength, which color Lightsaber is the most dangerous, or powerful?
Red
Orange
Blue
Green
1s2 2s2 2p6 3s2
1s22s22p63s23p6
4s23d104p6
After 22,800 years, approximately what percentage of the original carbon-14 remains?
15%
12.5%
6.25%
3.125%
The % of the parent isotope remaining after 2 Half Lives.
50%
25%
12.5%
6.25%
What type of nuclear decay is shown here
13756Ba →→ 13756Ba + γ rays
alpha
beta
gamma
What type of decay is shown here
23892U ---> 23490Th + 42He.
alpha
beta
gamma
Finish this equation
20983Bi--> _______ + 20581Tl
42He
0-1e
y
Light is emitted when electrons
move from one atom to another.
collide with one another, releasing energy.
move from a lower energy level to a higher energy level.
move from a higher energy level to a lower energy level.
Which occurs if an electron transitions from n = 5 to
n = 2 in a hydrogen atom?
Energy is absorbed, and visible light is emitted.
Energy is released, and visible light is emitted.
Energy is released, and visible light is not emitted.
Energy is absorbed, and visible light is not emitted.
Which energy level change by an electron of a
an atom will have the greatest amount of energy emitted?
n = 2 to n = 4
n = 2 to n = 5
n = 4 to n = 2
n = 5 to n = 2
Emitted light will be due to electrons
moving toward nucleus
moving away from nucleus
not moving
Absorbed light will cause electrons to
move toward nucleus
move away from nucleus
not move
A. electron transition from n=3 to n=2
B. electron transition from n=5 to n=1
Which electron transition (A or B) will have low energy light emitted?
A
B
They both will not have any light emitted.
They both will have the same type of energy emitted.
Nonmetals tend to
gain electrons
lose electrons
Metals tend to
gain electrons
lose electrons
Na1+ F1-
Cr3+ O2-
When a nonmetal gains electrons, it becomes this type of ion.
Anion
Cation
Is this compound ionic or covalent?
Ionic
Covalent
2
