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Chemistry Exit Ticket Retake

Total questions: 30

Worksheet time: 16mins

Name
Class
Date
1.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
2.

diagram "a" is an example of a(n)

a)

element

b)

compound

c)

mixture

3.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
4.
Which answer makes a correct statement?
a)
Physical change only changes the size.
b)
Physical change only changes the color.
c)
Physical changes begin and end with the same matter.
d)
Physical changes change the matter into something total different.
5.
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
a)
12 neutrons
b)
12 electrons
c)
12 protons
d)
24 protons and neutrons
6.
The diagram below shows changes happening to water in a specially shaped bottle.
What changes did the water undergo?
a)
melting and then freezing
b)
freezing and then evaporation
c)
condensation and then melting
d)
evaporation and then condensation
7.

contains 2 or more elements that are chemically combined

a)

element

b)

compound

c)

mixture

8.

contains only 1 type of atom

a)

element

b)

compound

c)

mixture

9.

gold, Au, is an example of a(n)

a)

element

b)

compound

c)

mixture

10.
Cutting your hair?
a)
Physical Change
b)
Chemical Change
11.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
12.

bronze, an alloy of many different metals, is an example of a( n)

a)

element

b)

compound

c)

mixture

13.

diagram "b" is an example of a(n)

a)

element

b)

compound

c)

mixture

14.
Exploding Fireworks?
a)
Physical Change 
b)
Chemical Change 
15.

diagram "c" is an example of a(n)

a)

element

b)

compound

c)

mixture

16.

What is the atomic number?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons in the energy levels

17.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

18.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks
19.
In order for an atom to be neutral what has to be true?
a)
The atom has more protons than neutrons
b)
The atom has more neutrons than protons
c)
The atom has the same number of protons and neutrons
d)
The atom has the same number of protons and electrons
20.

contains 2 or more substances that are physically combined

a)

element

b)

compound

c)

mixture

21.
Rotting bananas?
a)
Physical Change
b)
Chemical Change
22.

What does the 6 represent?

a)

Atomic mass

b)

atomic number

c)

chemical symbol

d)

element name

23.

How is the number of neutrons in the nucleus of an atom calculated?

a)

Add the number of e- and p+ together

b)

Subtract the number of e- from p+

c)

Subtract the number of p+ from the mass number

d)

Add the atomic mass to the number of e-

24.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
25.

carbon dioxide, CO2, is an example of a(n)

a)

element

b)

compound

c)

mixture

26.

What is the atomic mass?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons and electrons in the atom

27.

What is the atomic mass of this atom?

a)

1

b)

3

c)

4

d)

7

28.

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

a)

20

b)

10

c)

35

d)

25

29.

How many electrons does this atom have?

a)

2

b)

4

c)

6

d)

10

30.

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

a)

20

b)

10

c)

35

d)

25

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