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Atoms, Periodic Table, Calculations, States Of Matter

Total questions: 40

Worksheet time: 27mins

Name
Class
Date
1.

What kind of charge do electrons have?

a)

Positive charge

b)

No charge

c)

Negative charge

d)

Electric charge

2.

How do you find the number of neutrons?

a)

Mass number - Atomic number

b)

Protons + Neutrons

c)

Protons + Electrons

d)

Mass number + Atomic number

3.

If an atom has an atomic mass of 27 and an atomic number of 13, how many neutrons does it have?

a)

13

b)

15

c)

14

d)

12

4.

Where are Electrons located?

a)

In the nucleus

b)

In the electron cloud

c)

Next to the protons

5.

The number located at the top of an element is the ____.

a)

Mass number

b)

Neutrons

c)

Atomic number

d)

Symbol

6.

What has no charge?

a)

Proton

b)

Nonmetal

c)

Neutron

d)

Electron

7.

How many electrons can the second energy level hold?

a)

2

b)

8

c)

18

d)

32

8.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
9.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
10.

Freezing

a)

Solid to gas

b)

Liquid to solid

c)

Gas to solid

11.

Boiling

a)

liquid to gas

b)

gas to solid

c)

gas to liquid

12.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
13.

The state of matter that has no definite size or shape is

a)

Solid

b)

Liquid

c)

Gas

14.

Particles in a ______________________ move quickly and are far apart.

a)

gas

b)

solid

c)

liquid

15.

The slower the particles in a substance move,

a)

the colder it is.

b)

the warmer it is.

c)

the more energy it has.

16.

The amount of space something takes up is its...

a)

Mass

b)

Volume

c)

Thermal Energy

d)

Temperature

17.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
18.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

19.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
20.

What does the C represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

21.

What does the 6 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

22.

What does 12.011 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

23.

What is Kr?

a)

Potassium

b)

Krypton

c)

Chlorine

d)

Krapti.

24.

Atomic number of Ga?

a)

31

b)

12

c)

4

d)

45

25.

The atomic mass is the

a)

number of protons and neutrons inside the nucleus

b)

number or electrons or protons

c)

number of protons, neutrons and electrons

26.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
27.
If an atom has 3 electrons, how many protons does it have?
a)
1
b)
2
c)
4
d)
3
28.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
29.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
30.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
31.

Identifies the number of protons in an atoms nucleus.

a)

Electron Cloud

b)

Atomic Theory

c)

Atomic Number

d)

Mass Number

32.

The negatively charged particles in an atom

a)

Proton

b)

Electron

c)

Neutron

d)

Electron Cloud

33.

Which of the following is the chemical symbol for Gold?

a)

Ga

b)

Au

c)

Gd

d)

Ge

34.

Which of the following is the chemical symbol for Cobalt?

a)

Co

b)

C

c)

Ca

d)

Cr

35.

Which of the following is the chemical symbol for Lead?

a)

Pb

b)

Le

c)

La

d)

Lr

36.

Which element has an atomic mass of 65.39?

a)

Terbium

b)

Phosphorus

c)

Zinc

d)

Antimony

37.

Which element has an atomic mass of 26.98?

a)

Aluminum

b)

Cobalt

c)

Flourine

d)

Bromine

38.

Which letter represents the element's atomic number?

a)

a

b)

b

c)

c

d)

d

39.

Which letter represents the element's atomic mass?

a)

a

b)

b

c)

c

d)

d

40.

Which subatomic particle determines an atom's identity?

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

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