WorksheetsReview for Benchmark
Total questions: 42
Worksheet time: 44mins
The positive particles of an atom are
electrons
positrons
neutrons
protons
an atom with atomic number 6 would have how many protons
6
12
3
cannot be determined
True or False? Neutrons have a negative charge
True
False
What is the atomic number for an element with three protons?
2
1
3
6
A particle that moves around the nucleus is a(n)...
Proton
Neutron
Electron
Quark
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion
An atoms overall charge is
positive
depends on its mood
neutral
negative
Number of C's in 2Na₂CO₃
1
2
3
5
How many Sodium (Na) are in 6NaCl?
1
12
6
2H2 + O2 --------> 2H2O What are the reactants?
----->
2H2O
2H2+O2
2H2 + O2 ----> 2H2O What is the product?
------>
2H2O
2H2+ O2
Number of N in (NH₄)₂CrO₄
1
2
8
16
Periods
Groups
Periods
Groups
energy levels
valence electrons
protons
neutrons
Same group
Same period
Group 1
Group 17
Group 2
Group 18
Metals
Nonmetals
Metalloids
Metals
Nonmetals
Metalloids
What happens in ALL chemical changes?
Change in state of matter
A new substance is formed
Bubbles are produced
An explosion
Is Gatorade powder dissolving in water physical or chemical change?
Physical
Chemical
The Law of Conservation of Mass tells us matter can't ______________.
change color
change state of matter
be created or destroyed
change temperature
Which of the following is not a clue that a chemical reaction has taken place?
Changing size
Changing color
A gas being formed
Formation of a precipitate
What is the net force?
30 N left
25 N right
5 N left
55 N right
Which could be an example of a balanced force?
An asteroid moving at a constant speed through space
A car accelerating from a stop sign
A box of dishes falling from a counter
A rocket taking off
Calculate the Net Force.
60N, Left
40N, Right
0N
60N, Right
What is velocity?
the quickness of an object
the location of an object
acceleration
speed in a specific direction
What is speed?
how far you go
how much distance is covered over a period of time
how fast you accelerate
the change in the location of a object
Acceleration only takes place when things speed up.
True
False
F=ma
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
For every action, there is an equal and opposite reaction.
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
A stationary bumper car is set in motion by the outside force of another bumper car colliding with it.
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
A rocket in outer space continues to move.
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
You push against a wall and the wall is pushing back on you.
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
The acceleration of a 4 kg bowling ball will be greater than the acceleration of a 6 kg bowling ball if the same force is applied to both.
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
150 Newtons
15 Newtons
150 kilograms
100 kilograms
F=MA
An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?
20 N
2 N
5 N
0 N
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
10 m/s^2
.1 m/s^2
100 m/s^2
1 m/s^2
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
The one with a mass of .78 kg will have the greatest acceleration.
The one with a mass of .52 kg will have the greatest acceleration.
They will both accelerate at the same rate.
A 20 kg bike accelerates at 10 m/s2. what was the force?
25 Newtons
20 Newtons
200 Newtons
10 Newtons
Valence Electrons determine an element's _____________.
Reactivity
Location
Identity
Color
Most elements will gain or lose electrons so that they end up with _______ valence electrons.
2
6
8
10
