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SP81 SuMMATIVE

Total questions: 51

Worksheet time: 40mins

Name
Class
Date
1.

They are everywhere! They make up the air you breathe, the water you drink, and the food you eat. They are in your furniture, clothing, and pets. They even make up you. What are they?

a)

Elements

b)

Molecule

c)

Atom

d)

Compounds

2.

An atom has a center called the nucleus. Inside the nucleus are tiny particles called ______________ and _____________.

a)

Electrons

b)

Protons

c)

Neutrons

d)

Protons and neutrons

3.

Protons have what kind of charge?

a)

Negative

b)

Positive

c)

Neutral

d)

Positive and negative

4.

Neutrons have what kind of charge?

a)

Positive

b)

Negative

c)

Neutral

d)

both positive and negative

5.

Electrons are tiny particles that orbit around an atom’s nucleus. Electrons are smaller and lighter than protons and neutrons. Electrons have a __________________ charge.

a)

Positive

b)

Neutral

c)

Nucleon

d)

Negative

6.

Scientists imagine that electrons travel in ___________________ around the atom’s nucleus.

a)

Shells

b)

Perfect circles

c)

Pairs

d)

Groups

7.

This is an example of a(n)

a)

Compound

b)

Molecule

c)

Element

d)

Compound and Molecule are both correct

8.

This is an example of a(n)

a)

Compound

b)

Molecule

c)

Element

d)

Compound and Molecule are both correct

9.

How many protons?

(a)  

10.

Element or Compound


Table Sugar C6H12O6

a)

element

b)

compound

11.

How many Hydrogen atoms are present in H20?

a)

2

b)

4

c)

1

d)

0

12.

How many elements are in C6H12O6?

a)

1

b)

2

c)

3

d)

6

13.
Carbon dioxide (CO2) contains how many atoms of oxygen?
a)
0
b)
1
c)
2
d)
3
14.
Pizza
a)
Heterogeneous
b)
Homogeneous
15.
Vinegar
a)
Heterogeneous
b)
Homogeneous
16.

Is air a homogeneous or heterogeneous mixture? Explain your answer.

a)

Air is a homogeneous mixture because the different gases are distributed evenly.

b)

Air is a heterogeneous mixture because the different gases are not distributed evenly.

c)

Air is a homogeneous mixture because it is a single substance.

d)

Air is a heterogeneous mixture because it contains different substances.

17.

Why is a bowl of soup with vegetables considered a heterogeneous mixture?

a)

Because the soup and vegetables are evenly distributed.

b)

Because the soup and vegetables are not evenly distributed and can be separated.

c)

Because the soup and vegetables cannot be separated.

d)

Because the soup and vegetables are both liquids.

18.
Italian Salad Dressing is a . . .
a)
heterogeneous mixture
b)
homogeneous mixture
c)
Pure Substance
d)
Compound
19.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
20.

What is matter? Choose all that apply.

a)

everything around you

b)

Life

c)

anything occupies physical space.

d)

Volume

21.

What are the states of matter?

a)

Liquid, water, fizz

b)

Solid, liquid, gas, plasma

c)

Rain, sleet, snow

d)

Solid and gas

22.

What state of matter does this picture show?

a)

Liquid

b)

Matter

c)

Gas

d)

Solid

23.

Water can become all 3 states of matter. 

a)

True

b)

False

24.

What state of matter does this picture show?

(a)  

25.

Water in gas form is (a)  

26.

Which state of matter has a definite shape?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

27.

In which state are the distances between the particles greatest?

a)

Both gas and liquid

b)

Liquid

c)

Gas

d)

Solid

28.

The boiling point of a substance is the temperature at which it changes from

a)

a liquid to a gas

b)

a liquid to a solid

c)

a gas to a solid

d)

a solid to a liquid

29.

Which state of matter has no definite shape and no definite volume?

a)

Gas

b)

Solid

c)

Liquids and Gases

d)

Liquid

30.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
31.
From the diagram, which particles are indicated with the arrow?
a)
electrons and protons
b)
protons and neutrons
c)
electrons and neutrons
d)
photons and nucleons
32.

Why is the overall charge of an atom neutral (0)?

a)

They have the same number of protons and neutrons.

b)

They have the same number of protons and electrons.

c)

They have the same number of electrons and neutrons.

33.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
34.

What does the 1.00794 stand for?

a)

Hydrogen

b)

atomic number

c)

atomic mass

d)

atomic explosion

35.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
36.

How many atoms of Carbon are in this formula? C6 H12O6C_{6\ }H_{12}O_6  

a)

6

b)

1

c)

12

37.

How many Oxygen atoms are in Al₂(SO₄)₃?

a)

4

b)

12

c)

7

d)

24

38.

What is the atomic mass of the element shown?

a)

14

b)

28

c)

42

39.

How many electrons does the element in the picture have?

a)

19

b)

39

c)

20

d)

58

40.
What does the atomic number tell you?
a)
Number of Protons
b)
Number of Neutrons
c)
Sum of protons and neutrons
41.
How many different elements are in this chemical formula: C2H2ClK3
a)
6
b)
8
c)
2
d)
4
42.

Steam is known as what state of matter?

a)

solid

b)

liquid

c)

gas

d)

volume

43.

Chemical changes create new substances that cannot be separated back into their original parts.

a)

True

b)

False

44.

What method would be best to use to separate iron filings and sand?

a)

use a filter

b)

use a magnet

c)

paper chromatography

d)

pick out the sand

45.

this form has no definite shape and definite volume

a)

solid

b)

liquid

c)

gas

d)

matter

46.

anything that has mass and takes up space

a)

matter

b)

weight

c)

solid

d)

solution

47.

H₂O is a compound molecule.

a)

TRUE

b)

FALSE

48.

What is the picture displayed?

a)

atom

b)

element molecule

c)

compound molecule

49.

How many valence electrons ae in the element Carbon?

a)

2 electrons

b)

6 electrons

c)

4 electrons

d)

None of the above

50.

Are these molecules also compounds?

a)

YES

b)

NO

51.
a)

Element

b)

compound molecules

c)

elemental molecules

d)

Mixture

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