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WorksheetsDLA REVIEW
Total questions: 119
Worksheet time: 3hrs 15mins
Name
Class
Date
1.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
2.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
3.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
4.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
5.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
6.
True or False? Neutrons have a negative charge
a)
True
b)
False
7.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
8.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
9.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
10.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
11.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
12.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
13.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
14.
Which particle does not contribute mass to the atom?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
15.
What is the standard unit of mass at the atomic level?
a)
centimeters
b)
millimeters
c)
amu
d)
milligrams
16.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks
17.
What is the electrical charge of a proton?
a)
1+
b)
1-
c)
neutral
d)
2-
18.
Which of these is the proton.
a)
A
b)
B
c)
C
d)
None
19.
Atomic number is the number of protons in a atom.
a)
True
b)
False
20.
Has a negative charge.
a)
Protons
b)
Neutrons
c)
Electrons
d)
A dead battery
21.
Mass number is number of protons plus number of neutrons in a atom
a)
True
b)
False
22.
What does Na stand for?
a)
Sodium
b)
Sulfur
c)
Nitrogen
d)
Copper
23.
_________are not good conductors of heat or electricity.
a)
Metals
b)
Metalloids
c)
Nonmetals
24.
Which element is found in group 1 period 2
a)
Lithium
b)
Magnesium
c)
Beryllium
d)
Potassium
25.
Which element is found in group 16 period 3?
a)
Sulfur (S)
b)
Selenium (Se)
c)
Chlorine (Cl)
d)
Carbon (C)
26.
Which element is found in period 3 group 2?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Yttrium (Y)
d)
Boron (B)
27.
Which element is found in group 18 period 1?
a)
Neon (Ne)
b)
Helium (He)
c)
Chlorine (Cl)
d)
Krypton (Kr)
28.
Which element is found in period 3 group 2?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Yttrium (Y)
d)
Boron (B)
29.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
30.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
31.
A one or two letter abbreviation used to represent an element is called a(n) ________
a)
chemical symbol
b)
element sign
32.
Vertical (up and down) columns in the periodic table are called _________ of elements and have similar properties.
a)
groups
b)
periods
33.
What does the atomic number tell us?
a)
number of protons
b)
number of neutrons
34.
The horizontal (left to right) rows on the periodic table are known as
a)
periods.
b)
atoms.
c)
groups or families.
d)
valence electrons.
35.
_________are not good conductors of heat or electricity.
a)
Metals
b)
Metalloids
c)
Nonmetals
36.
Vertical (up and down) columns in the periodic table are called _________ of elements and have similar properties.
a)
groups
b)
periods
37.
Particles in an atom's nucleus that are neutral and have no charge are
a)
megatrons.
b)
electrons.
c)
neutrons.
d)
protons.
38.
_________are not good conductors of heat or electricity.
a)
Metals
b)
Metalloids
c)
Nonmetals
39.
One physical characteristic of metals is...
a)
Luster (shine)
b)
Weight
c)
All are gases.
40.
The horizontal (left to right) rows on the periodic table are known as
a)
periods.
b)
atoms.
c)
groups or families.
d)
valence electrons.
41.
What is the atomic number of protons
a)
c
b)
carbon
c)
6
42.
What period is Iron in?
a)
6
b)
5
c)
1
d)
4
43.
What period is Iron in?
a)
6
b)
5
c)
1
d)
4
44.
vertical columns in the periodic table are _________ of elements with similar properties.
a)
groups
b)
periods
45.
_______ are horizontal rows of elements that contain increasing numbers of protons and electrons.
a)
groups
b)
periods
46.
an ______ is the area around the nucleus of an atom where its electrons are most likely found.
a)
electron ring
b)
electron cloud
47.
In what section would Noble Gases be found?
a)
white on the upper right
b)
yellow on the left
c)
blue under the stair case
d)
red on the right
48.
True or False: The nonmetals are in the dark blue section
a)
true
b)
false
49.
Element in period 4 and group 1 is
a)
Li
b)
Na
c)
H
d)
K
50.
Element in period 4 and group 1 is
a)
Li
b)
Na
c)
H
d)
K
51.
Which element is lightest in period 3?
a)
Na
b)
F
c)
Mn
d)
Cr
52.
Atomic radius(size) 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
53.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
54.
How many electrons are in the outer shell of Sodium (Na)?
a)
3
b)
1
c)
2
d)
4
55.
A group of atoms bonded together.
a)
A Molecule
b)
The Coefficient
c)
The Subscript
d)
An Atom Party
56.
This is used to represent the number of each atom being represented.
a)
A Exponent
b)
The Coefficient
c)
A Molecule
d)
The Subscript
57.
What do you call a set of letters and numbers that show what the chemical composition is for a given type of matter.
a)
An Equation
b)
Chemical Formula
c)
Chemical Reaction
d)
I don't know...
58.
How many hydrogen atoms are in this chemical formula:
a)
4 hydrogen atoms
b)
1 hydrogen atom
c)
2 hydrogen atoms
d)
3 hydrogen atoms
59.
How many Iron (Fe) atoms are in this chemical formula?
a)
2 iron atoms
b)
6 iron atoms
c)
5 iron atoms
d)
4 iron atoms
60.
How many oxygen atoms are in this chemical formula?
a)
7 oxygen atoms
b)
4 oxygen atoms
c)
3 oxygen atoms
d)
1 oxygen atoms
61.
How many oxygen atoms are in this chemical formula?
a)
7 oxygen atoms
b)
4 oxygen atoms
c)
3 oxygen atoms
d)
1 oxygen atoms
62.
How many molecules are in this chemical formula?
a)
4 Molecules
b)
6 Molecules
c)
2 Molecules
d)
5 Molecules
63.
How many molecules are in this chemical formula?
a)
4 Molecules
b)
6 Molecules
c)
2 Molecules
d)
5 Molecules
64.
A chemical change is?
a)
a shoe lace cut in half
b)
doesn't change anything
c)
changes the look of an object
d)
change that results in the formation of new chemical substances
65.
A physical change is?
a)
It changes the object into something different
b)
Objects or substances undergo a change that does not change their chemical composition
c)
it is just like a chemical reaction
d)
Paper burning
66.
The arrow symbol used in a chemical equation
a)
Yield sign
b)
Subscript
c)
Coefficient
d)
Chemical formula
67.
A physical change is?
a)
It changes the object into something different
b)
Objects or substances undergo a change that does not change their chemical composition
c)
it is just like a chemical reaction
d)
Paper burning
68.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
69.
A chemical change is?
a)
a shoe lace cut in half
b)
doesn't change anything
c)
changes the look of an object
d)
change that results in the formation of new chemical substances
70.
Element or compound?
O2
O2
a)
Element
b)
Compound
71.
Element or compound?
H2O
H2O
a)
element
b)
compound
72.
Element or compound?
H2O
H2O
a)
element
b)
compound
73.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction.
74.
What is the little number after an element in a chemical equation called.
Example: H2
Example: H2
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
75.
What is the left part of a chemical equation called...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
76.
What is the right part of a chemical equation called...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
77.
Balance this equation...
HgO --> 2Hg + O2
HgO --> 2Hg + O2
a)
It is balanced
b)
2HgO --> Hg + O2
c)
2HgO --> 2Hg + O2
78.
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
79.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
80.
Why is the following chemical equation not balanced?
H2 + O2 --> H2O
H2 + O2 --> H2O
a)
each side of the equation has a different number of oxygen atoms
b)
each side of the equation has a different number of hydrogen atoms
c)
each side has the same mass
81.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
82.
What Unit do we Measure Force in?
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
83.
What Unit do we Measure Force in?
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
84.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third
d)
fourth
85.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N
b)
40N
c)
10N
d)
70N
86.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger
b)
smaller
c)
equal
87.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
88.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
89.
A 20 kg bike accelerates at 10 m/s2. what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
90.
Pushing a child on a swing is easier than pushing an adult on the same swing.
a)
1st Law
b)
2nd Law
91.
A(n) __________ is a push or pull.
a)
newton
b)
acceleration
c)
force
d)
momentum
92.
A ____ force is the total force felt by an object.
a)
sum
b)
net
c)
strong
d)
balanced
93.
____ is the rubbing force that acts against motion between two touching surfaces.
a)
Acceleration
b)
Normal force
c)
Momentum
d)
Friction
94.
When the net force is zero, the forces on an object are balanced. True or false.
a)
true
b)
false
95.
Any time the forces are unbalanced, an object will remain at rest. True or false?
a)
true
b)
false
96.
The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.
a)
gravity
b)
friction
c)
a strong force
d)
electromagnetic force
97.
The upward force on an object falling through the air is _________.
a)
air force
b)
weight
c)
air resistance
d)
upheaval
98.
The scientist who is most famous for developing the Laws of Motion is _____.
a)
Albert Einstein
b)
Stephen Hawking
c)
Sir Isaac Newton
d)
Galileo Galilei
99.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
1st Law
b)
2nd Law
c)
3rd Law
100.
F=MA
An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?
An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?
a)
20 N
b)
2 N
c)
5 N
d)
0 N
101.
Which car is accelerating?
a)
A car that is not moving
b)
A ar that rounds a curve at a constant speed
c)
A car traveling at a constant speed
d)
A car that has a set speed of 60mph
102.
What is the force used to push a 20 kg wheelbarrow that accelerates 5 m/s?
a)
100N
b)
10N
c)
4N
d)
40N
103.
Since Force = Mass * Acceleration, how would you manipulate the equation to solve for mass?
a)
mass divided by acceleration
b)
Mass times acceleration
c)
Force divided by acceleration
d)
Equations cannot be manipulated
104.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
105.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
106.
John took 90 minutes to bicycle to his grandmother's house, a total of six kilometers. What was his speed (pay attention to units)?
a)
540 km/hr
b)
.066 km/hr
c)
4 km/hr
d)
9 km/hr
107.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
108.
How far has the red runner gone in 3 seconds?
a)
40 yards
b)
10 yards
c)
30 yards
d)
20 yards
109.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
110.
The graph respresents
a)
No motion
b)
Constant Velocity
c)
Acceleration
d)
Deceleration
111.
The graph represents
a)
no motion
b)
Constant velocity
c)
Acceleration
d)
negative acceleration
112.
The graph below represents
a)
Speed
b)
Velocity
c)
Acceleration
d)
Deceleration
113.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
114.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
115.
Which runner won the race?
a)
A
b)
B
c)
C
116.
a)
The boat came to a stop after it traveled for 10 minutes.
b)
The boat was at rest from 20 to 40 minutes.
c)
The boat traveled the fastest in the last 20 minutes.
d)
The boat traveled the shortest distance in the first 20 minutes.
117.
a)
Cars 1 and 2 traveled the same distance before coming to a stop.
b)
Car 2 traveled a greater distance in the first 4 seconds than Car 1.
c)
Car 1 traveled a greater distance in the first 4 seconds than Car 2.
d)
Cars 1 and 2 came to a stop after traveling for the same amount of time.
118.
a)
The boat came to a stop after it traveled for 10 minutes.
b)
The boat was at rest from 20 to 40 minutes.
c)
The boat traveled the fastest in the last 20 minutes.
d)
The boat traveled the shortest distance in the first 20 minutes.
119.
This graph shows the motion of a remote controlled car from the start of a race to the finish line 10 meters away. Which statement is the best explanation of the graph?
a)
The car is at rest for 4 seconds and then steadily increases in speed
b)
The car is at rest for 4 seconds and then steadily decreases in speed
c)
The car increases in speed for 4 seconds and then decreases in speed
d)
The car decreases in speed for 4 seconds and then increases in speed
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