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Chemistry Term 2 Mid-Term 2016
Test Description: Chemistry mid-term Term #2 2016
Instructions: Answer all questions to get your test result.
1) What color of visible light has the lowest frequency?
A
Violet
B
Red
C
Green
D
Microwave
2) What is the center of the atom called?
A
neutron
B
electron
C
nucleus
D
proton
3) Under what conditions can two electrons occupy the same orbital?
A
if they have opposite spins
B
never
C
if they have parallel spins
D
if they have different principal quantum numbers
4) Which of the following is a physical change?
A
rusting
B
burning
C
cooking
D
crushing
5) Which of the following particles is normally found outside the nucleus of the atom?
A
electron
B
proton
C
alpha particle
D
neutron
6) Which of the following is not a form of electormagnetic radiation?
A
sound waves
B
gamma rays
C
X-rays
D
visible light
7) As frequency goes up, energy ____________.
A
goes down
B
goes up
C
frequency can't go up
D
stays the same
8) An element's identity is based on its
A
atomic mass
B
number of neutrons
C
mass number
D
atomic number
9) The amount of material in an object is called
A
mass
B
density
C
weight
D
volume
10) Anything that has mass and volume is called
A
matter
B
weight
C
density
D
plasma
11) Quanta are fundamental pieces of
A
nuclei
B
matter
C
electrons
D
energy
12) The force that holds protons together is called
A
strong nuclear force
B
gravitation
C
static electricity
D
electrical attraction.
13) Quanta of light are called
A
protons
B
photons
C
electrons
D
joules
14) When a sample of an element is vaporized in a flame, it releases energy in the form of
A
gamma rays
B
a continuous spectrum
C
light of only certain wavelengths
D
light of all wavelengths
15) How many electrons can be held in the p-sub-level?
A
6
B
10
C
2
D
3
16) With electromagnetic waves, if the wavelength increases....
A
frequency must decrease
B
speed increases
C
frequency must increase
D
energy increases
17) If the mass number for for a neutral Argon atom is 40 and the atomic number is 18, how many electrons do you have?
A
40
B
22
C
18
D
58
18) If the mass number for for a neutral Argon atom is 40 and the atomic number is 18, how many electrons do you have?
A
18
B
40
C
22
D
58
19) A substance that cannot be separated into simpler substances by a chemical change is called a(n)
A
mixture
B
crystal
C
compound
D
element
20) Which part of the electromagnetic spectrum has the greatest energy?
A
each part has the same energy
B
radio waves
C
gamma rays
D
visible light
*select an answer for all questions
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