REVIEWER
The angle of incident and reflected ray of light
_________.
Select one:
a. Measured form a line perpendicular to the
surface of the mirror
b. Is not related
c. Can never be measured
d. Add to 90 degrees
• A weak attraction between a hydrogen atom in
one molecule and an oxygen atom in another is
called ______
a. Metallic bond
b. Hydrogen bond
c. Ionic bond
d. Covalent bond
How is hypothesis tested?
Select one:
a. By making inferences
b. By conducting an experiment
c. By formulating a conclusion
d. By gathering enough information about the
problem
Which among the following is saturated?
Select one:
a.
b.
c.
d.
Alkines
Alkenes
Alkynes
Alkanes
Sound below 20Hz is called
Select one:
a.
b.
c.
d.
supersonic
pentatonic
infrasonic
ultrasonic
The nuclear symbol
designating a(n)
Select one:
a.
b.
c.
d.
neutron
alpha particle
beta particle
proton
He, is also the symbol for
2
4
A petroleum that consists of a hydrocarbon of 16
to 18 molecules
Select one:
a.
b.
c.
d.
Motor oil
gasoline
asphalt
paraffin
How many standard time zones are there?
Select one:
a.
b.
c.
d.
35
25
24
34
A nugget of gold with a mass of 521 g is added
to 50.0 mL of water. The water level rises to a
volume of 77.0 mL. What is the density of the
gold?
Select one:
a.
b.
c.
d.
6.77 g/mL
0.0518 g/mL
1.00 g/mL
19.3 g/mL
The specific heat of a substance is the amount
of heat needed to
Select one:
a. Raise the temperature of 1 g of the substance
by 1 °C
b. Convert 1 g of liquid to gas
c. Change 1 g of the substance from the solid to
the liquid state
d. Change 1 g of the substance from the liquid
to the solid state
Which of the following measured numbers contains
the designated CORRECT number of significant
figures?
Select one:
a. 0.00302 → 2 SF
b. 1.04 → 2 SF
c. 156 000 → 3 SF
d. 0.04300 → 5 SF
The elements lithium, sodium and potassium are
Select one:
a. alkaline-earth metals
b. halogens
c. alkali metals
d. transition metals
A convex spherical mirror has a focal length of
12cm. if an object is placed 6 cm in front of it
the image position is
Select one:
a. 12 cm in front of the mirror
b. 6 cm behind the mirror
c. 12 cm behind the mirror
d. 6 cm in front of the mirror
The half-life of thorium-234 is 24 days. How
much of 5 g of Th would be left after 48 days?
234
Select one:
a. 1.25 g
b. 3.75 g
c. 2.50 g
d. 0.625 g
Equal to work done against gravity is _________.
Select one:
a. Gravitational potential energy
b. Gravitational kinetic energy
c. Kinetic energy
d. Potential energy
You want to clean a tarnished silver. Which one
will you use?
Select one:
a. Sugar solution
b. Salt solution
c. Vinegar
d. Baking soda
To graph the distance covered and velocity of a
car, which is the dependent variable? Where
should it be plotted on a line graph?
Select one:
a. Distance,
b. Distance,
c. Velocity,
d. Velocity,
y-axis
x-axis
x-axis
y-axis
Limitation is measured by which of the
following:
Select one:
a. Heisenberg principle
b. Schrodinger principle
c. De Broglie equation
d. Paulis exclusion
Which of the following electron configurations
is impossible?
Select one:
a. 1s 2s 2p 3s 3p
b. 1s 2s 2p 3s 3p
c. 1s 2s 2p 3s 3p
d. 1s 2s 2p 3s 3p
2
4
6
2
3
2
1
6
2
5
2
2
6
2
3
2
2
6
2
1
In an electron dot structure of an element, the
dots are used to represent
Select one:
a. The electron arrangement
b. The valence electrons
c. Only the electrons that will participate in
bond formation
d. All of the electrons in the atom
A driver is traveling at 60 km/h. Is the driver
speeding if the speed limit is 45 mph?
Select one:
a. maybe
b. cannot be determined
c. yes
d. no
Which of the following hydrocarbons has a double
bond?
Select one:
a. alkene
b. alkyne
c. alkane
d. cycloalkane
Written in scientific notation, 0.000000403 is
Select one:
a. 0.403 × 10
b. 4.03 × 10
c. 4.03 × 10
d. 4.03 × 10
-6
6
-7
-5
What element will produce lead that is used for
radioactivity?
Select one:
a. Iodine
b. Carbon
c. Rubidium
d. Uranium
What is the shape of a molecule BeCl ?
2
Select one:
a. tetrahedral
b. linear
c. angular
d. trigonal planar
In this list, which substance can be classified
as a chemical?
Select one:
a. sleep
b. salt
c. cold
d. heat
Which of the following is a physical property of
non-metals?
Select one:
a. Malleability and ductility
b. High density
c. Low tensile strength
d. High tensile strength
The specific heat of copper is about 0.4
joules/gram degree celsius. How much is needed
to change the temperature of a 30 grams sample
from 20.0 degree celsius to 60.0 degree celsius?
Select one:
a. 240 J
b. 1000 J
c. 720 J
d. 480 J
The ionization energy of atoms
Select one:
a. Does not change
b. Decreases going
c. Decreases going
d. Increases going
going down a group
down a group
across a period
down a group
Which of the following is NOT true for the
atoms N, N, and N?
Select one:
a. They all have the same atomic number
b. They all have the same mass number
c. They all have 7 electrons
d. They all have 7 protons
13
14
15
Which of these statements are true?
I. Any application of force produces acceleration
II. Objects moving at constant velocity experience
no net force
III. It is harder to accelerate a more massive
object than a less massive one.
Select one:
a. II and III
b. I and III
c. I and II
d. I, II and III
According to the periodic table, Mg will most
likely react with elements in which of the
following group?
Select one:
a. 17
b. 18
c. 1
d. 3
Continental glaciers are found in
Select one:
a. Greenland and Iceland
b. Greenland and Antarctica
c. Antarctica
d. Iceland and Antarctica
Which of the following is not a fundamental
quantity?
Select one:
a. Length
b. Temperature
c. Weight
d. Mass
What elements are in hydroxyapatite, Ca (PO ) OH,
a major compound in human bones and teeth?
5
Select one:
a. carbon, potassium, oxygen, hydrogen
b. calcium, phosphorus, oxygen, hydrogen
c. calcium, potassium, oxygen, helium
d. carbon, phosphorus, oxygen, helium
4
3
What are the latitude and longitude of the
points on earth that is opposite Washington. DC
(39° N, 77° W)?
Select
a. 20°
b. 45°
c. 39°
d. 30°
one:
S, 90° E
S, 105° E
S, 103° E
S, 100° E
Which apparatus will you use to measure the mass
of an irregular solid correctly?
Select one:
a. Empty beaker
b. Graduated cylinder with water
c. Erlenmeyer flask
d. Vernier caliper
What best describes the Earth’s water?
Select one:
a. Increasing gradually
b. Decreasing gradually
c. Remains constant
d. Depleting constantly
Measurement slightly shorter than meter
Select one:
a. Foot
b. Inch
c. Yard
d. Mile
Which of the following occurs when acid and base
react with each other?
I. Water is formed
II. Salt is formed
III. Oxygen is released
Select one:
a. I, II, III
b. I, II
c. I, III
d. II, III
Hot liquid that comes from beneath the Earth’s
crust.
Select one:
a. steam
b. water
c. lava
d. magma
General formula for alcohol
Select one:
a. RCOOH
b. ROR
c. RX
d. ROH
In ionic compounds, ________ lose their valence
electrons to form positively charged _______
Select one:
a. Non-metals, cations
b. Metals, anions
c. Metals, cations
d. Non-metals, anions
The damaging effects of radiation on the body
are a result of
Select one:
a. Transmutation reactions in the body
b. The formation of unstable ions or radicals
c. Extensive damage to nerve cells
d. The formation of radioactive atoms in the
body
How many sodium atoms are in 2 moles of sodium?
Select one:
a. 12
b. 1.20 × 10
c. 6.02 × 10
d. 11
24
23
When the temperature is lower than the dew
point, but without precipitation, it is said to
be:
Select one:
a. Supercooled
b. Stable
c. Sublimed
d. Coalesced
The product from the alpha decay of
Select one:
a.
Pu
b.
Th
c.
Np
d.
Ra
239
94
231
90
235
93
233
80
U is
235
92
Carbon-14 atom has _____.
Select one:
a. 6 electrons, 6 protons, 8 neutrons
b. 14 electrons, 6 protons, 6 neutrons
c. 6 electrons, 14 protons, 6 neutrons
d. 6 electrons, 8 protons, 6 neutrons
Coins in a piggybank is a(n)
Select one:
a. heterogeneous mixture
b. element
c. compound
d. homogeneous mixture
A value of 25 °C is a measurement of
Select one:
a. distance
b. mass
c. volume
d. temperature