Quiz about Chemical Changes and Counting Atoms

Question 1

A change where one or more new substances are created.

Accepted Answer

Chemical Change

Answer

Physical Change

Question 2

Which of the following is NOT an example of a physical change?

Accepted Answer

rust

Answer

crumpled paper

Answer

pencil sharpening

Answer

shrunken clothing

Question 3

Silverware tarnishing is an example of a _____ change

Accepted Answer

Chemical

Answer

Physical

Question 4

When you break a cracker into pieces it is a...

Accepted Answer

Physical change

Answer

Chemical change

Question 5

Is salt dissolving in water a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 6

Is water melting a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 7

Is digesting your food a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 8

Is a burning candle a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 9

Is a tree sprouting a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 10

Is getting a tan a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 11

Is sour milk a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 12

Is a car using fuel a physical or chemical change?

Accepted Answer

Chemical

Answer

Physical

Question 13

Is steam a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 14

Is bending copper wire a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 15

Which of the following could indicate that a chemical change took place?

Accepted Answer

All are correct

Answer

Change in color

Answer

Formation of Gas

Answer

odor change

Question 16

The process of when silver and other metals react with water and oxygen to form rust.

Accepted Answer

Oxidation (Chemical)

Answer

Physical

Question 17

What is the definition of chemical change?

Accepted Answer

any change that results in the formation of new chemical substances.

Answer

changing clothes

Answer

matter cannot be created or destroyed, only change form

Answer

changes affecting the form of a chemical substance, but not its chemical composition.

Question 18

Is mowing the lawn a phyiscal or chemical change?

Accepted Answer

physical

Answer

chemical

Question 19

A change in the STATE of matter is a....

Accepted Answer

Physical Change

Answer

Chemical Change

Answer

Permanent Change

Question 20

What is changed during a chemical reaction?

Accepted Answer

composition (what something is made of)

Answer

texture

Answer

shape

Answer

height

Question 21

Is melting iron a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 22

Is steam a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 23

Is melting butter a physical or chemical change?

Accepted Answer

Physical

Answer

Chemical

Question 24

When baking soda and vinegar mix it creates a bubbly mess. Is this a chemical or physical change?

Accepted Answer

Chemical

Answer

Physical

Question 25

A copper penny turning greenish after a few years is an example of ...

Accepted Answer

Chemical Change

Answer

Physical Change

Question 26

A change in which NEW substances are formed.

Accepted Answer

Chemical change

Answer

Physical change

Answer

Casual change

Answer

Formal change

Question 27

Which of the following is NOT an example of chemical change?

Accepted Answer

breaking a pencil

Answer

sour milk

Answer

burning wood

Answer

rust

Question 28

Change in size ...

Accepted Answer

Physical Change

Answer

Chemical Change

Question 29

An explosion occurs ...

Accepted Answer

Chemical Change

Answer

Physical Change

Question 30

Physical properties are

Accepted Answer

properties that can be observed without changing the identity of the substance

Answer

properties that describe how a substance changes into a completely different substance

Question 31

How many Hydrogen atoms are in 4H₂O?

Accepted Answer

8

Answer

6

Answer

2

Answer

4

Question 32

How many Oxygen atoms are in H₂O?

Accepted Answer

1

Answer

2

Answer

0

Answer

4

Question 33

How many Magnesium atoms are in 10MgCl₂?

Accepted Answer

10

Answer

5

Answer

20

Question 34

How many elements are in C₆H₁₂O₆?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 35

How many atoms of Hydrogen are in this compound?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 36

A subscript is the small number below the element symbol that tells the number of _______ of that element.

Accepted Answer

atoms

Answer

valence electrons

Answer

protons

Answer

elements

Question 37

Which of the following is a compound?

Accepted Answer

CO2

Answer

Co

Answer

O2

Answer

C

Question 38

What elements are in this compound?

Accepted Answer

Oxygen

Accepted Answer

Nitrogen

Answer

Carbon

Answer

Iron

Answer

Neon

Question 39

What elements are in this compound?

Accepted Answer

Carbon

Accepted Answer

Hydrogen

Accepted Answer

Oxygen

Answer

Calcium

Answer

Cobalt

Question 40

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.

Accepted Answer

element symbol; atoms

Answer

atom; element symbol

Answer

subscript; protons

Answer

compound; elements

Question 41

How many atoms are there TOTAL in:
H₂SO₄

Accepted Answer

7

Answer

6

Answer

5

Answer

3

Question 42

A pure substance that cannot be broken down into simpler substances.

Accepted Answer

element

Answer

compound

Answer

molecule

Answer

carbon dioxide

Question 43

Element or compound?
O₂

Accepted Answer

Element

Answer

Compound

Question 44

The blue numbers in the image below represent ________

Accepted Answer

subscripts

Answer

I don't know, and don't want to try

Answer

coefficients

Answer

none of the answers are correct

Question 45

The red numbers in the image below represent ________

Accepted Answer

coefficients

Answer

subscripts

Answer

I don't know, and don't want to try

Answer

None of the answers are correct

Question 46

Which is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)

Accepted Answer

H3SO4

Answer

HSO4

Answer

H4S3O

Answer

H2O

Question 47

Are these molecules also compounds?

Accepted Answer

NO

Answer

YES

Question 48

Are these molecules also compounds?

Accepted Answer

YES

Answer

NO

Question 49

In this diagram, X represents...

Accepted Answer

An element

Answer

A compound

Answer

A mixture

Answer

An atom

Question 50

In this diagram, Y represents...

Accepted Answer

A molecule

Accepted Answer

A compound

Answer

An element

Answer

A mixture

Question 51

Which example is a compound?

Accepted Answer

H2O2

Answer

N2

Answer

O2

Answer

Cu

Question 52

Is sugar (C₁₂H₂₂O₁₁)an element or a compound?

Accepted Answer

Compound

Answer

Element

Question 53

The atoms of different elements can join together to form

Accepted Answer

compounds

Answer

elements

Answer

mixtures

Question 54

consists of 2 or more of the same atoms joined together

Accepted Answer

molecule

Answer

elements

Answer

compounds

Answer

mixtures

Question 55

This substance represents....

Accepted Answer

an element

Answer

an atom

Answer

a compound

Answer

a mixture

Question 56

This substance represents....

Accepted Answer

a compound

Answer

an atom

Answer

a mixture

Answer

a molecule

Question 57

Have you done all your notes, watched my lessons, and done the gallery walk to the best of your ability this week, so you can do well on your next test?

Accepted Answer

YES! I have done my best to watch all my lessons and complete all the notes and gallery walk for this week, so that I can do well on my next test!!!

Answer

No, I didn't do my best and/or didn't complete all my notes, or watch the lessons, or completed the gallery walk, so I may not do very well on the next test.

Answer

No, I did my best to watch the lessons and complete the notes, and do the gallery walk, but I am not finished, but will make sure to do that right now after my Quizizz game.

Chemical Changes and Counting Atoms

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science