7th Grade Chemistry Review Game

Question 1

What subatomic particles are found in the nucleus of an atom?

Accepted Answer

protons and neutrons

Question 2

The total # of reactants is equal to the # of products...(mass cannot be created or destroyed).

Accepted Answer

Law of Conservation of Mass

Question 3

Mass is the amount of gravitational force pushing down on an object.

Accepted Answer

False

Question 4

Chemical or Physical Change??

Accepted Answer

Physical

Question 5

Which subatomic particle has a negative charge?

Accepted Answer

electron

Question 6

What subatomic particle has a positive charge?

Accepted Answer

Proton

Question 7

True or False: Gasoline has a higher viscosity than honey.

Accepted Answer

False

Question 8

Takes the shape and size of the container

Accepted Answer

Liquid

Question 9

Which state of matter does this particle movement represent?

Accepted Answer

Liquid

Question 10

Which change in state is demonstrated by Dry Ice?

Accepted Answer

Sublimation

Question 11

What does this image represent?

Accepted Answer

Chemical Change

Question 12

What state of matter does this image represent?

Accepted Answer

Gas

Question 13

Which of these is NOT an example of an element?

Accepted Answer

Water

Question 14

Which of these is an example of a molecule?

Accepted Answer

H2O

Question 15

What does letter B represent in this diagram?

Accepted Answer

neutron

Question 16

Liquid takes this state when it is evaporated

Accepted Answer

Gas

Question 17

What diagram holds ALL the elements?

Accepted Answer

Periodic Table of Elements

Question 18

Steam on a mirror after taking a shower is an example of ______________

Accepted Answer

Condensation

Question 19

Which subatomic particles have a neutral or no charge?

Accepted Answer

Neutron

Question 20

Which of these is an example of an element

Accepted Answer

Platinum

Question 21

How many elements are there?

Accepted Answer

118

Question 22

Has a definite size and shape

Accepted Answer

a book

Question 23

T or F -- The Law of Conservation of Mass only works in an open system.

Accepted Answer

False

Question 24

Which change in state is occurring in this picture?

Accepted Answer

Melting

Question 25

Water or H2O has how many atoms?

Accepted Answer

3

Question 26

Mass is the amount of matter in an object

Accepted Answer

True

Question 27

An _____________ is when every type of atom is identical.

Accepted Answer

Element

Question 28

Which state of matter does this particle motion represent?

Accepted Answer

Solid

Question 29

Which change in state is occurring in this picture?

Accepted Answer

Condensation

Question 30

Which of the following are physical properties?

Accepted Answer

all of them

7th Grade Chemistry Review Game

Questions 30

7th Grade Chemistry Review Game

Questions 30