Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Chemistry
Test Description: This activity is to review 8th-grade students.
Instructions: Answer all questions to get your test result.
1) The Law of Conservation of Matter says
A
Matter can be created, but not destroyed.
B
matter can be created and destroyed
C
matter can be destroyed, but not created
D
matter cannot be created or destroyed
2) Which statement best explains how the periodic table is organized?
A
decreasing number of electrons from left to right
B
decreasing atomic mass from left to right
C
increasing atomic number from left to right
D
increasing number of neutrons from left to right
3) Which pair of elements has the most similar properties
A
N and P
B
Li and B
C
I and Ca
D
K and He
4) What element has properties that are considered highly reactive ?
A
Helium (He)
B
Carbon (C)
C
Sodium (Na)
D
Nitrogen (N)
5) The following changes (melting wax, evaporating gasoline, freezing water) are all examples of
A
Chemical changes
B
nuclear changes
C
energy changes
D
physical changes
6) Which of the following would be evidence that a chemical change has occurred?
A
new substance formed
B
change in state
C
change in color
D
change in size
7) Positively charged particles in an atom are called
A
ions
B
protons
C
electrons
D
neutrons
8) The element POTASSIUM has 19 protons, 19 electrons and 20 neutrons. What is potassium's atomic number?
A
39
B
19
C
1
D
20
9) A hydrogen atom has one proton, one electron, and zero neutrons. What is the approximate atomic mass of hydrogen
A
1
B
2
C
3
D
0
10) If a chemical reaction such as the formation of iron oxide contains 4 atoms of iron (Fe) in the product, how many atoms of iron (Fe) would be in the reactants
A
2 atoms of iron (Fe)
B
8 atoms of iron (Fe)
C
4 atoms of iron (Fe)
D
12 atoms of iron (Fe)
11) Which of the following is an example of a chemical property?
A
The gasoline is flammable.
B
The basketball is orange.
C
The slice of cheese is a solid.
D
The bike is made of metal.
12) Material whose composition is very specific.
A
nickel and water
B
Nickel
C
water
D
cereal
13) Which element is nonreactive and can remain unbonded in nature?
A
Neon (Ne)
B
Aluminum (Al)
C
nitrogen (N)
D
carbon (C)
14) Which best explains why the elements on the periodic table in group 1 are placed in group 1?
A
They are conductors of electricity
B
They have similar chemical properties.
C
They are metals
D
They have the same number of energy levels.
15) Which property of metals allows them to be used to make coins that have the same thickness?
A
electrical conductivity
B
density
C
specific heat
D
malleability
16) Which best describes the physical change of an aluminum soda can after it is crushed?
A
There is a change in the specific heat can of the can
B
There is a change in the mass of the can.
C
There is a change in the volume of the can.
D
There is a change in the weight of the can.
17) An element that is located along the stair step line on the periodic table and has properties of a metal and non metal
A
conductor
B
inert gas
C
metalloid
D
halogen
18) Which of these can’t be broken down to a simpler substance?
A
Salt water
B
Cereal
C
NaSO4
D
Sn
19) 4. Which of the following substances can be decomposed by a chemical change?
A
Mg
B
None of the above
C
Co
D
CO2
20) A chemical reaction produces new substances with a total mass of 120 grams. If one of the reactants has a mass of 25 grams, what is the total mass of the other reactant?
A
50 grams
B
95 grams
C
125 grams
D
100 grams
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?