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WorksheetsInterim Review
Total questions: 36
Worksheet time: 26mins
An isotope is _________.
Atoms of the same element which contain the same number of neutrons but different number of protons
Atoms of different elements which contain the same number of protons
Atoms of the same element which contain the same number of protons but different number of neutrons
Atoms of different elements which contain the same number of neutrons
Select all of the following that are properties of covalent compounds.
High melting point
Poor electrical conductors
Low melting point
Good electrical conductors
Metal-Nonmetal compound
What can you conclude from this image?
They are ions of Hydrogen
They are isotopes of Hydrogen
They are cations of Hydrogen
They are elements with a different number of protons
Select all of the properties of an ionic compound.
Low melting points
Good electrical conductors
High melting points
Non metal- Non metal compounds
Non metal-metal compound
What is the conservation of mass?
Mass can be created but not destroyed
Mass cannot be created but can be destroyed
Mass cannot be creates or destroyed
Mass can be created and destroyed
What factors speed up the dissolving rate of a solute? (Select all that apply)
Raising temperature
Less surface area
Slow stirring
Lowering the temperature
Vigorous stirring
In the picture shown, what state of matter is being described?
Solid
Liquid
Gas
Plasma
In the picture shown, which state of matter is being described?
Solid
Liquid
Gas
Plasma
In the picture shown, which state of matter is being described?
Solid
Liquid
Gas
Plasma
In the picture shown, which state of matter is being described?
Solid
Liquid
Gas
Plasma
In the graph above, what is the average speed from t=20 s to t=30 s?
1
1
The pH of an acid are between the numbers ___ and ___.
0-5
1-4
8-14
0-6
0-7
The pH of a base are between the number of __ and __.
0-6
7-10
7-14
8-14
9-14
A neutral solution will have a pH of
6-8
7
7-8
5-8
Blue litmus paper will turn red when in contact with a or an
Acid
Base
Red litmus paper will turn blue when in contact with a or an
Acid
Base
Name the following ionic compound: NaCl
(a)
Name the following ionic compound: K2S
(a)
Name the following ionic compound: MgO
(a)
If a 10kg object is falling off of a bridge, why does the object accelerate at a constant -9.8 m/s?
because the mass of the brick was greater than its
gravitational force.
because the gravitational force of the brick is
greater than its mass.
because the ratio of its mass to its gravitational
force equals a constant.
because the ratio of its gravitational force to
its mass equals a constant.
If 100.0g of carbon-14 decays until only 25.0 g of carbon-14 is left after 11,460 y, what is the half life of carbon 14?
(a)
Chromium-48 has a short half life of 21.6 h. How long will it take 360.00 g of chromium-48 to decay to 11.25 g? (use hours as units)
(a)
If I add 100g of NaNO3 to a solution at 50C, the solution will be:
unsaturated
saturated
supersaturated
If a solution still have precipitate on the bottom of the container, I cam conclude that the solution is:
unsaturated
saturated
supersaturated
What is the ideal gas law?
PV=nRT
PN=vT
PV/nR=T
PT=nTV
How do you convert Celsius to Kelvin?
subtract 273
Add 273
multiply by 5
divide by 4
A cylinder of argon gas contains 50.0 L of Ar at 18.4 atm and 127 °C. How many moles of argon is in the cylinder? (R = 0.0821 liter·atm/mol·K)
26
18
28
102
PV=nRT
If I were to increase pressure, what would happen to temperature?
stays the same
decreases
increases
increases by 2
PV=nRT
If I were to decrease pressure, what happens to volume?
stays the same
decreases
increases
increases by 2
Select all the forces that would affect a box being pushed on a road.
Gravity
Normal Force
Applied Force
Air resistance
Friction
A pulley is used to raise a bucket that weighs 60 N. How much effort is required if the mechanical advantage is 1?
(a)
Two people use a ramp to move a heavy box onto a truck. The box weighs 150 N. The mechanical advantage of using the ramp is 30. How much effort is required to move the box?
(a)
What is the group name of the elements in group 18?
Noble Gases
Alkali Earth Metals
Transition Metals
Halogens
What is the group name of the elements in group 3-12
Noble Gases
Alkali Earth Metals
Transition Metals
Halogens
Which of these photos shows a solute being dissolved in a solvent? (Orange is solute, Blue is solvent)
Which of the following shows a solute already dissolved in solvent?
