Chemistry Question Preview (ID: 61736)


This Activity Is To Review 8th-grade Students. TEACHERS: click here for quick copy question ID numbers.

Which element is nonreactive and can remain unbonded in nature?
a) nitrogen (N)
b) carbon (C)
c) Aluminum (Al)
d) Neon (Ne)

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) 12 atoms of iron (Fe)
b) 8 atoms of iron (Fe)
c) 4 atoms of iron (Fe)
d) 2 atoms of iron (Fe)

Material whose composition is very specific.
a) Nickel
b) water
c) cereal
d) nickel and water

Positively charged particles in an atom are called
a) electrons
b) protons
c) neutrons
d) ions

The element POTASSIUM has 19 protons, 19 electrons and 20 neutrons. What is potassium's atomic number?
a) 19
b) 20
c) 39
d) 1

Which of the following is an example of a chemical property?
a) The basketball is orange.
b) The gasoline is flammable.
c) The bike is made of metal.
d) The slice of cheese is a solid.

A hydrogen atom has one proton, one electron, and zero neutrons. What is the approximate atomic mass of hydrogen
a) 0
b) 1
c) 2
d) 3

The following changes (melting wax, evaporating gasoline, freezing water) are all examples of
a) physical changes
b) Chemical changes
c) nuclear changes
d) energy changes

Which of the following would be evidence that a chemical change has occurred?
a) change in size
b) change in state
c) new substance formed
d) change in color

Which pair of elements has the most similar properties
a) Li and B
b) I and Ca
c) K and He
d) N and P

What element has properties that are considered highly reactive ?
a) Carbon (C)
b) Helium (He)
c) Sodium (Na)
d) Nitrogen (N)

Which statement best explains how the periodic table is organized?
a) increasing atomic number from left to right
b) increasing number of neutrons from left to right
c) decreasing number of electrons from left to right
d) decreasing atomic mass from left to right

The Law of Conservation of Matter says
a) Matter can be created, but not destroyed.
b) matter can be destroyed, but not created
c) matter cannot be created or destroyed
d) matter can be created and destroyed

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.

Which property of metals allows them to be used to make coins that have the same thickness?
a) electrical conductivity
b) density
c) malleability
d) specific heat

Which best describes the physical change of an aluminum soda can after it is crushed?
a) There is a change in the volume of the can.
b) There is a change in the mass of the can.
c) There is a change in the weight of the can.
d) There is a change in the specific heat can of the can

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) halogen
d) metalloid

Which of these can’t be broken down to a simpler substance?
a) Sn
b) Cereal
c) NaSO4
d) Salt water

4. Which of the following substances can be decomposed by a chemical change?
a) Mg
b) CO2
c) Co
d) None of the above

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) 125 grams
b) 50 grams
c) 95 grams
d) 100 grams

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 61736 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links