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Elements, atoms and compounds

Total questions: 60

Worksheet time: 34mins

Name
Class
Date
1.
What forms when two atoms combine? 
a)
A nucleus
b)
A proton
c)
A molecule
d)
A neutron
2.
Which of the following cannot be broken down into something simpler?
a)
A compound
b)
An element
c)
A mixture
d)
A chemical formula
3.
Which of these is most like a recipe? 
a)
An element
b)
A periodic table
c)
An electron formula
d)
A chemical formula
4.
How many elements are on the periodic table?
a)
53
b)
116
c)
200
d)
160
5.
What needs to occur in order for elements to form a compound?
a)
An elemental reaction
b)
An atomic reaction
c)
An electric reaction
d)
A chemical reaction
6.
What is the picture displayed?
a)
Atom
b)
Element
c)
Molecule
d)
Compound
7.

What is the picture displayed?

a)

atom

b)

element

c)

compound

8.

What is the picture displayed?

a)

compound

b)

element

c)

molecule

9.

How many elements are in C6H12O6?

a)

1

b)

2

c)

3

d)

6

10.
What do we call a chemical substance made up of 2 or more different types atoms bonded together?
a)
formula
b)
atom
c)
subscript
d)
compound
11.

Humans absorb oxygen from the air they breathe in and exhale carbon dioxide gas, CO2. Carbon dioxide gas is

a)

an element made of carbon and oxygen atoms.

b)

a solution made of carbon and oxygen atoms.

c)

a compound of carbon and oxygen atoms.

d)

a mixture of carbon and oxygen atoms.

12.

How many Hydrogen atoms are present in H20?

a)

2

b)

4

c)

1

d)

0

13.
What is a compound?
a)
an atom with more electrons than protons
b)
a substance in which the atoms of two or more elements are combined together
c)
an atom with more neutrons than protons
d)
a substance in which the atoms of three or more elements are combined together
14.
The chemical combination of two or more different kinds of atoms in fixed amounts is called a(n)
a)
orbit
b)
compound
c)
mixture
d)
element
15.

This is a list of the 118 known elements that exist (and a picture of it is on this quiz!).

a)

The Periodic Table of Elements

b)

The Student Faculty Handbook

c)

Facebook

d)

Wikipedia

16.

This is anything that has mass and takes up space (meaning it has a volume).

a)

matter

b)

mass

c)

element

d)

energy

17.

This is a one or two letter representation of each element that is generally close to the element's name. The first letter of this will ALWAYS be capitalized.

a)

chemical symbol

b)

chemical number

c)

atomic number

d)

atomic mass

18.

What Language is Used to Help Determine The Element Symbol?

a)

English

b)

German

c)

Latin

d)

Gibberish

19.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
20.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
21.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
22.
The smallest particle of any element that still has the properties of that element is called
a)
an atom
b)
a compound
c)
a solution
d)
a mixture
23.
Which description below is a true statement about the diagram?
a)
The diagram can be classified as an element and a molecule
b)
The diagram can be classified as a compound
c)
The diagram can be classified as a mixture of two compounds
d)
The diagram can be classified as a mixture of two elements
24.
A pure substance that is made from one type of atom is a(n) ______________ .
a)
Mixture
b)
Atom
c)
Element
d)
Compound
25.
Classify Sulfuric Acid (H2SO4) as an element or compound.
a)
Element
b)
Compound
26.
Classify Sulfur (S) as an element or compound.
a)
Element
b)
Compound
27.
Classify Phosphorus (P) as an element or compound.
a)
Element
b)
Compound
28.
Classify Sodium Chloride (NaCl) as an element or compound.
a)
Element
b)
Compound
29.
How many TOTAL atoms make up the molecule 8K2SO4?
a)
8
b)
56
c)
7
d)
15
30.
TRUE OR FALSE:
There are millions of elements.
a)
True
b)
False
31.
TRUE OR FALSE:
There are millions of compounds.
a)
True
b)
False
32.
TRUE OR FALSE:
Water is an element.
a)
True
b)
False
33.
TRUE OR FALSE:
Water is a compound.
a)
True
b)
False
34.

A section of the Periodic Table is shown. What is the Chemical Symbol for Magnesium?

a)

12

b)

Magnesium

c)

24.31

d)

Mg

35.

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

a)

a gas at room temperature.

b)

made of two different elements.

c)

given off by green plants.

d)

useful to human beings

36.

The smallest particle of any particular type of matter is known by which of the following terms?

a)

Element

b)

Chemical

c)

Atom

d)

Compound

37.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
38.
Is water an element or a compound?
a)
Element
b)
Compound
39.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
40.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
41.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
42.

The chemical symbol of an element always matches the element's name.

a)

Agree

b)

Disagree

43.

Located on the Periodic Table

a)

Elements

b)

Compounds

c)

Both

44.

Cannot be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

45.

What is the difference between Co and CO?

a)

CO is an element but Co is a compound

b)

Nothing is different. They are the same thing.

c)

CO is two elements and Co is only one element

d)

Co is not a pure substance

46.

How many elements are in this compound?

a)

13

b)

6

c)

4

d)

3

47.
These contain only one kind of atom. 
a)
element 
b)
compound 
c)
mixture 
d)
water 
48.
Carbon Dioxide is a ______ 
a)
compound 
b)
element 
c)
mixtures 
d)
Battle of Bunker Hill 
49.
A compound is made of ________ atoms. 
a)
big 
b)
similar 
c)
different 
50.
What is Fe?
a)
Boron
b)
Fluorine
c)
Francium
d)
Iron
51.
Salt is a(n)
a)
element
b)
compound
c)
mixture
52.
Which of the following is an element?
a)
Sugar
b)
Salt
c)
Water
d)
Oxygen
53.
The building block of matter is
a)
Mixture
b)
Atom
c)
Element
d)
Substance
54.
This is made up of one or more of kind of the SAME kind of atom
a)
Element
b)
Mixture
c)
Compound
d)
Matter
55.
Water is an element
a)
true
b)
false
56.

How many different elements are in the compound?

a)

12

b)

3

c)

24

d)

6

57.

"Na" is the element's

a)

Chemical Formula

b)

Compound

c)

Name

d)

Chemical Symbol

58.

Which one is a compound?

a)

Ni

b)

F

c)

Re

d)

NaCl

59.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
60.
Most of the elements on the periodic table are classified as _____.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Periods

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