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A.1 CP review - Atoms & Elements

Total questions: 81

Worksheet time: 51mins

Name
Class
Date
1.

What is the arrow pointing at?

a)

The Atomic Number

b)

The Average Atomic Mass

c)

The Right

2.

What is the atomic Number of Carbon?

a)

6

b)

14

c)

12.011

d)

Boron

3.

What is the average atomic mass of Carbon?

a)

6

b)

14

c)

12.011

d)

Boron

4.

What is the average atomic mass of Beryllium?

a)

13.0122

b)

9.0122

c)

4

d)

Li

5.

Which group in the Periodic Table is known as the Noble Gases?

See https://ptable.com/ for group numbers if needed.

a)

Group 1

b)

Group 2

c)

Group 17

d)

Group 18

6.

How many groups are on the periodic table?

See https://ptable.com/ for group numbers if needed.

a)

12

b)

2

c)

7

d)

18

7.

How many elements are there on the Periodic Table? Check ptable.com for the most recent table.

a)

20

b)

118

c)

4 (earth, wind, fire and water)

d)

72

8.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
9.

Which is a Nobel Gas

a)

Helios

b)

Neon

c)

Oxygen

d)

Neptune

10.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
11.

Which of the following are physical properties of metal? Select all that apply.

a)

Luster

b)

Conductivity

c)

Malleability

d)

Ductility

12.

True or False: The reactivity of metals tends to decrease as you move from left to right across the periodic table.

a)

True

b)

False

13.

Which group of metals are the most reactive.

a)
b)
c)
d)
14.

Which of the following could be properties of nonmetals? Select all that apply.

a)

Poor electrical conductivity

b)

Poor thermal conductivity

c)

Dullness

d)

Brittleness

15.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
16.
What does 12.011 represent?
a)

average atomic mass

b)
atomic number
c)
element name
d)
chemical symbol 
17.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)

element symbol 

18.
These are found on the Periodic Table.
a)
Compounds
b)
Elements
c)
Mixtures
19.

the basic structural unit of matter

a)

atom

b)

matter

c)

element

d)

blocks

20.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
21.

What is the average atomic mass of Neon?

a)
10
b)
30
c)
10.18
d)
20.18
22.

What does the term malleable mean? (an image of gold leaf is shown)

a)

Able to be reshaped without breaking

b)

Comfortable shopping in a mall

c)

Fragile

d)

Conductive

23.
Most of the elements on the periodic table are classified as _____.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Periods
24.

Which two small particles are found in the nucleus of an atom?

a)

Protons and Electrons

b)

Protons and Neutrons

c)

Neutrons and Electrons

d)

Protons, Neutrons and Electrons

25.
What electrical charge does a proton have?
a)
+1
b)
0
c)
-1
d)
+2
26.

What mass does a neutron have?

a)

1 amu

b)

0 amu

c)

-1 amu

d)

+2 amu

27.

The total number of protons and neutrons in an atom is equal to the.....

a)

Atomic number

b)

Proton number

c)

Atomic mass number

d)

Net charge

28.

How many protons does an aluminum atom have?

a)

27

b)

14

c)

40

d)

13

29.

How many electrons does a neutral sodium atom have? (neutral = a net charge of 0, so the number of + equals the number of -)

a)

23

b)

11

c)

12

d)

34

30.
Complete the missing label on the diagram.
a)
Neutron
b)
Centre
c)
Nucleus
d)
Sub atomic particle
31.

Atoms of the same element must always have the same number of _________

a)

electrons

b)

neutrons

c)

net charge

d)

protons

32.

The _________ of an element equals the number of protons in an atom of that element.

a)

mass number

b)

atomic weight

c)

atomic number

d)

isotopes

33.

The atomic mass number of an element that has 8 protons, 10 electrons, and 8 neutrons is _____.

a)

8

b)

18

c)

26

d)

16

34.

What element has 9 protons, 9 electrons, and 10 neutrons?

a)

nitrogen

b)

oxygen

c)

fluorine

d)

neon

35.

What element is represented in this Simple Atomic Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

36.

Which particle is negatively charged?

a)

proton

b)

atom

c)

neutron

d)

electron

37.

What is the atomic mass number of a neutral nickel atom with 28 protons, 31 neutrons, and 28 electrons? (hint, electrons re ignored when calculating atomic mass)

a)

31

b)

28

c)

59

d)

87

38.

What is the atomic number of an atom with an atomic mass of 35 amu which has 18 neutrons?

a)

17

b)

35

c)

18

d)

51

39.

How do you find the number of Neutrons in an atom?

a)

# Neutrons = # Protons - Atomic Number

b)

# Neutrons = Atomic Mass - # Protons

c)

# Neutrons = # Protons + # Electrons

d)

It is the same as the Atomic Number

40.

What is atomic number?

a)

Number of protons in an atoms

b)

Number of neutrons in an atom

c)

Mass of an atom

d)

Charge on an atom

41.

Which subatomic particles are found in the nucleus of an atom?

a)

Protons and Electrons

b)

Protons and Neutrons

c)

Neutrons and Electrons

d)

Protons, Neutrons and Electrons

42.
What electrical charge does a proton have?
a)
+1
b)
0
c)
-1
d)
+2
43.

The total number of protons and neutrons in an atom is called the...

a)

Atomic number

b)

Proton number

c)

Mass number

d)

Net charge

44.

What is the correct description of the subatomic particles of a neutral phosphorous atom with a mass of 31?

a)

15 protons

15 neutrons

15 electrons

b)

15 protons

16 neutrons

15 electrons

c)

15 protons

16 neutrons

17 electrons

d)

16 protons

15 neutrons

16 electrons

45.

How many neutrons does a silver atom with a mass of 108 amu have?

a)

47

b)

108

c)

61

d)

108

46.

How many protons does every atom of Nitrogen have?

a)

14

b)

7

c)

15

d)

18

47.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
48.
"C" is the element symbol for which element?
a)
calcium
b)
carbon
c)
chlorine
d)
cadmium
49.

True or False? Neutrons have a negative charge

a)

True

b)

False

50.
An ion with a positive charge is a/an 
a)
anion
b)
cation
51.
An isotope of an element has the same number of _________, but a different number of _________.
a)
Protons, electrons
b)
Protons, neutrons
c)
Electrons, neutrons
52.
Which particle does not contribute mass to the atom?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
53.
Which particle contributes the negative charge to the atom?
a)
proton
b)
electron
c)
neutron
d)
nucleus
54.
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
55.

Atomic number is

a)

the number of protons

b)

the number of electrons

c)

the number of neutrons

d)

the location of an atom on the periodic table

56.

An atom is the smallest possible piece of an element

a)

True

b)

False

57.

An ion with a negative charge is a/an 

a)
anion
b)
cation
58.

The most common isotope of carbon has an atomic mass number of 12. How many neutrons does it have?

a)

6

b)

5

c)

18

d)

12

59.
How many neutrons would Fe-56 have?
a)
56
b)
26
c)
30
d)
33
60.
If an atom of oxygen has a charge of -2, how many electrons does the atom have?
a)
18
b)
6
c)
8
d)
10
61.
Four isotopes of lead include lead-204, lead-206, lead-207, and lead-208.  The average atomic mass of lead is 207.2.  Which isotope of lead is likely to be the most abundant.
a)
204
b)
206
c)
207
d)
208
62.
What is the name of the pictured isotope?
a)
Copper-29
b)
Copper-63
c)
Copper-34
d)
CopperWopperHopperBopper
63.

How many neutrons are in the isotope pictured above?

a)

29

b)

34

c)

63

d)

92

64.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
5
65.
If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its atomic mass is:
a)
16
b)
32
c)
48
66.
What is the name of the pictured isotope?
a)
Copper-29
b)
Copper-63
c)
Copper-34
d)
CopperWopperHopperBopper
67.
How is carbon-12 different from carbon-14?
a)
They have a different number of protons
b)
they have a different number of electrons
c)
they have a different number of neutrons
68.
What do carbon-12 and carbon-14 have in common?
a)
they have same number of protons
b)
they have the same number of neutrons
c)
they have the same atomic mass
d)
they have the same atomic weight
69.

12 protons and 13 neutrons

a)

Mg-12

b)

Mg-13

c)

Mg-25

d)

Mg-24.305

70.

Atoms of the same element which have a different number of neutrons are called _________________.

a)

ions

b)

isotopes

c)

quarks

d)

molecules

71.

ALL atoms of the same element have:

a)

same number of proton

b)

same number of nucleon

c)

different number of neutron

d)

different number of electron

72.
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
73.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
74.
If a hydrogen atom has 1 proton, 1 electron, and 1 neutron, its atomic number is:
a)
1
b)
2
c)
3
75.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

76.

Which part of an atom has the smallest mass?

a)

Proton

b)

Neutron

c)

Electron

d)

They are all the same

77.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
78.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8
79.

How many ELECTRONS does copper have if it has the following charge: Cu2+ ?

a)

64

b)

35

c)

27

d)

29

80.

How many ELECTRONS will iron have if it has the following charge: Fe3+ ? Type in numbers as the answer.

(a)  

81.

Bromine-80 has how many neutrons?

a)

79.904

b)

35

c)

80

d)

45

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