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Atomic structure

Total questions: 164

Worksheet time: 3hrs 51mins

Name
Class
Date
1.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

2.
subatomic particles found on the outermost shell & responsible for the atom's reactivity
a)
neutrons
b)
valence electrons
c)
isotopes
d)
ions
3.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
4.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
5.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
6.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
7.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
8.

The smallest particle of an element.

a)

Element

b)

Molecule

c)

Atom

9.

A chemical bond where electrons are shared between two atoms. In this type of bond no ions are. You will find these bonds when carbon bonds to other elements.

a)

Covalent bond

b)

Element

c)

Hydrogen bond

10.

A chemical bond that has hydrogen covalently bonded to an electronegative atom. It happens when oxygen bonds to hydrogen.

a)

Ionic bond

b)

Hydrogen bond

c)

Molecule

11.

A combination of two or more atoms

a)

Period

b)

Molecule

c)

Atom

d)

Family

12.

A diagram that shows the bonding between atoms of a molecule and the lone pair of electrons that may exists in the molecule

a)

Hydrogen bond

b)

Bohr Model

c)

Electron dot diagram

d)

Element

13.
True or False - Protons and Neutrons have about the same mass.
a)
True - They have about the same mass
b)
False - They do not have about the same mass
14.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
15.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
16.
Where is the nucleus located in an atom?
a)
Near the electron shells/levels
b)
Near the center of an atom
17.
Which two subatomic particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Neutrons and Electrons
c)
Electrons and Protons
d)
Protons and Neutrons
18.
Where are the Electrons found in the structure of an atom?
a)
In the nucleus
b)
In spaces around the nucleus
19.
The subatomic particles in blue are...
a)
Neutrons
b)
Protons
c)
Electrons
20.
The subatomic particles in green are...
a)
Protons
b)
Neutrons
c)
Electrons
21.
The subatomic particles in red are
a)
Electrons
b)
Neutrons
c)
Protons
22.
How many electron shells/levels does this atom have?
a)
1
b)
2
c)
3
d)
4
23.
How many protons does this atom have?
a)
3
b)
6
c)
4
d)
2
24.
How many electrons does this picture show?
a)
4
b)
5
c)
6
d)
3
25.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green
26.
How many neutrons does this atom have?
a)
4
b)
5
c)
6
d)
7
27.
What electrical charge does a proton have?
a)
+1
b)
0
c)
-1
d)
+2
28.
What mass does a neutron have?
a)
1
b)
0
c)
-1
d)
+2
29.
How many protons does an aluminium atom have? (Use the image to help you)
a)
27
b)
14
c)
40
d)
13
30.
How many neutrons does a sodium atom have? (Use the image to help you)
a)
23
b)
11
c)
12
d)
34
31.
Complete the missing label on the diagram.
a)
Neutron
b)
Centre
c)
Nucleus
d)
Sub atomic particle
32.
Atoms of the same element must always have the same number of _________
a)
electrons
b)
neutrons
c)
isotopes
d)
protons
33.
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
34.
The __________ of an atom is the sum of the protons and neutrons in the nucleus of that atom.
a)
mass number
b)
atomic number 
c)
atomic weuight
d)
isotope weight
35.
The mass number of an element that has18 protons, 18 electrons, and 19 neutrons is _____.
a)
12.5
b)
13
c)
25
d)
37
36.
What element is represented in this Bohr Model? 
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
37.
The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.
a)
9
b)
10
c)
19
d)
28
38.
Which particle is negatively charged?
a)
proton
b)
atom
c)
neutron
d)
electron
39.
Which atomic particle has a negative charge?
a)
proton
b)
neutron
c)
electron
d)
all of the above
40.
What part of the atom is indicated by the red sphere?
a)
nucleus
b)
electron cloud
c)
electrons
d)
neutrons
41.
Choose the particle that has no charge.
a)
nucleus
b)
neutron
c)
proton
d)
electron
42.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
43.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron
44.
An electron has a _____ charge.
a)
negative
b)
positive
c)
neutral
45.

Electrons have a ____________ charge.

a)

positive

b)

negative

c)

neutral

46.

Protons have a ________________charge.

a)

positive

b)

negative

c)

neutral

47.

Which two subatomic particles are in the nucleus?

a)

Protons and Neutrons

b)

Protons and Electrons

c)

Neutrons and Electrons

48.

Which is NOT part of an atom?

a)

protons

b)

neutrons

c)

neurons

d)

electrons

49.

Which subatomic particle has the less mass?

a)

protons

b)

neutrons

c)

electrons

50.

Electrons are located______.

a)

outside the nucleus

b)

inside the nucleus

51.

Which two particles have about the same amount of mass?

a)

neutrons and protons

b)

protons and electrons

c)

electrons and neutrons

52.

Which two particles have about the same amount of mass?

a)

neutrons and protons

b)

protons and electrons

c)

electrons and neutrons

53.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
54.
GOLD
a)
Al
b)
Ag
c)
Ar
d)
Au
55.
CHLORINE
a)
C
b)
Ca
c)
Cl
d)
Cu
56.
CARBON
a)
C
b)
Ca
c)
Cl
d)
Cu
57.
COPPER
a)
C
b)
Ca
c)
Cu
d)
Cl
58.
SULFUR
a)
Su
b)
S
c)
Sf
d)
Si
59.
SILVER
a)
Au
b)
Ag
c)
Al
d)
Ar
60.
SILICON
a)
S
b)
Si
c)
Su
d)
Sc
61.
SODIUM
a)
S
b)
So
c)
N
d)
Na
62.
POTASSIUM
a)
P
b)
Ka
c)
K
d)
Pt
63.
How many different elements are in this chemical formula: C2H2ClK3
a)
6
b)
8
c)
2
d)
4
64.
Which of the following is a pure substance?
a)
O2
b)
Al2CO5
c)
C6H12O6
d)
SiO2
65.

Which color on the image of the periodic table corresponds with the halogens.

a)

red

b)

black

c)

blue

d)

orange

66.

Vertical columns on the periodic table are called ___?

a)

groups

b)

periods

c)

rows

d)

families

67.

Which color on the image of the periodic table corresponds with the lanthanides.

a)

red

b)

black

c)

blue

d)

orange

68.

Which color on the image of the periodic table corresponds with the noble gases.

a)

red

b)

black

c)

blue

d)

orange

69.

Which color on the image of the periodic table corresponds with the metalloids.

a)

bright yellow

b)

gold

c)

teal

d)

light blue

70.

Which color on the image of the periodic table corresponds with the alkaline earth metals.

a)

yellow

b)

dark yellow

c)

blue/green

d)

teal

71.

Mendeleev first ordered the periodic table of elements by increasing

a)

atomic number

b)

atomic mass

c)

atomic symbol

d)

atomic weight

72.
What type of subatomic particles are found in the cloud?
a)
neutrons
b)
electrons
c)
protons
d)
reactions
73.
Which two subatomic particles are found in the NUCLEUS of at atom?
a)
protons & nuetrons
b)
protons & electrons
c)
neutrons & electrons
d)
electrons & protons
74.
Which two subatomic particles are found in the NUCLEUS of at atom?
a)
protons & nuetrons
b)
protons & electrons
c)
neutrons & electrons
d)
electrons & protons
75.
a)
Periods
b)
Groups
76.
All matter is made of
a)
atoms
b)
cells
77.
An atom is made up of protons, neutrons, and electrons.  Which is the smallest subatomic particle?
a)
Proton
b)
Neutron
c)
Electron
d)
Idontknowatron
78.
Each row in a periodic table is called a 
a)
Group
b)
Period
c)
Row
d)
Column
79.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
80.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
81.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
82.
Each row in the periodic table is called
a)
group
b)
family
c)
period
d)
column 
83.
Each column in the periodic table is called a 
a)
period
b)
group/family
c)
cluster
d)
unit
84.
What is the chemical symbol for Carbon?
a)
C
b)
Ca
c)
Car
85.
What is the chemical symbol for Calcium?
a)
C
b)
Ca
c)
Cal
86.
What is the chemical symbol for Oxygen?
a)
O
b)
Ox
c)
Oy
87.
What is the chemical symbol for Chlorine?
a)
C
b)
Ch
c)
Cl
88.
What is the chemical symbol for Silicon?
a)
S
b)
Si
c)
Sc
89.
What is the chemical symbol for Iodine?
a)
I
b)
Io
c)
Id
90.
What is the chemical symbol for Copper?
a)
C
b)
Co
c)
Cu
91.
What does the chemical symbol Au stand for?
a)
Gold
b)
Silver
92.
What is the chemical symbol for Iron?
a)
I
b)
Ir 
c)
Fe 
d)
F
93.
What is the chemical symbol for Aluminum?
a)
A
b)
Al
c)
Au
94.
a)
Groups
b)
Rows
c)
Periods
d)
Classifications
95.
a)
Same number of valence electrons
b)
Same number of protons
c)
Same number of energy levels
d)
Same mass number
96.
a)
Same number of valence electrons
b)
Same number of protons
c)
Same number of energy levels
d)
Same mass number
97.
a)
Elements in the same group
b)
Elements in the same period
98.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Noble Gases
99.
Everything is made up of little tiny things called _____
a)
compounds
b)
molecules
c)
atoms
d)
solids
100.
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
101.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
102.
In the center of the atom is something called _____
a)
the kernel
b)
the cell
c)
the nucleus
d)
the focal point
103.
Brittle
a)
Metal
b)
Nonmetal
104.
Good conductor of heat
a)
Metal
b)
Nonmetal
105.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
106.
Which of the following is NOT a characteristic of most metals?
a)
Brittle
b)
Good conductor
c)
Ductile
d)
Malleable
107.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
108.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
109.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
110.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
111.
Which elements are found on the left to middle of The Periodic Table? 
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Candles
112.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
113.
The blue atoms are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
114.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
115.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
116.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
117.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
118.

Which element is a metalloid?

a)

H

b)

Re

c)

Ne

d)

B

119.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

d)

21

120.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
121.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
122.

How many electrons does a neutral atom of Iodine have?

a)

53

b)

126

c)

73

d)

179

123.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

124.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
125.
Sodium (Na) is found in period 
a)
3
b)
2
c)
4
d)
1
126.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
127.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
128.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
129.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
130.
A block has a mass of 54g and a volume of 20cm3.  What is the density of the block?
a)
74 g/cm3
b)
1080 g/cm3
c)
34 g/cm3
d)
2.7 g/cm3
131.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
132.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
133.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
134.
What element is this?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
135.
What element is this model showing?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
136.
What does an atom's period tell us?
a)
Number of protons
b)
Number of electrons
c)
Number of valence electrons
d)
Number of shells
137.
What does an atom's group tell us?
a)
Number of protons
b)
Number of electrons
c)
Number of valence electrons
d)
Number of shells
138.

Which of the following element in period 3 would be classified as a metal?

a)

Boron (B)

b)

Sodium (Na)

c)

Argon (Ar)

d)

Silicon (Si)

139.
How are elements on the periodic table arranged by?
a)
in alphabetic order
b)
simular physical & chemical properties
c)
their symbols
d)
Just simular physical properties
140.
Each column in the periodic table is called a _________ .
a)
period
b)
group
c)
cluster
d)
unit
141.
Two elements chemically bonded form
a)
element
b)
compound
c)
mixture
d)
solutions
142.
What element is will have the most similar physical and chemical properties to the element Sulfur (S)?
a)
Carbon (C)
b)
Phosphorous (P)
c)
Oxygen (O)
d)
Neon (Ne
143.
What element is will have the most similar physical and chemical properties to the element Lithium (Li)?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Beryllium (Be)
d)
Calcium (Ca)
144.
What element is will have the most similar physical and chemical properties to the element Bromine (Br)?
a)
Fluorine (F)
b)
Carbon (C)
c)
Krypton (Kr)
d)
Selenium (Se)
145.
Periods on the periodic table are __________.
a)
Horizontal Rows
b)
Vertical Columns
146.
Groups on the periodic table are __________.
a)
Horizontal Rows
b)
Vertical Columns
147.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
148.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
149.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
150.
Iron + oxygen = rust is an example of a ___________.
a)
physical property/change
b)
chemical property/change
c)
mass
d)
volume
151.
What is one way matter change states?
a)
matter loses mass
b)
heat is added
c)
it doesn't change
d)
by doing nothing
152.
Texture, color, states of matter, flexibility, freezing & melting points
a)
Chemical Properties
b)
Physical Properties
c)
States of Mass
d)
Scientific matterology
153.
I am two or more atoms chemically bonded.
a)
atom
b)
compound
c)
molecule
d)
mixture
154.

In an element box, the number at top is the

a)

atomic number

b)

atomic name

c)

atomic mass

d)

atomic symbol

155.

___________________ are positively charged particles located in the nucleus of an atom.

a)

Electrons

b)

Neutrons

c)

Protons

d)

Isotopes

156.

Elements on the Periodic Table are ordered according to their

a)

element name

b)

element symbol

c)

number of atoms

d)

atomic number

157.

The elements that touch the zigzag line on the Periodic Table are called

a)

metals

b)

nonmetals

c)

metalloids

d)

gasses

158.

Column in the Periodic Table are called

a)

Periods

b)

Groups/Families

c)

Cousins

d)

Metals

159.

The nucleus of an atom is located in its

a)

electron cloud

b)

center

c)

proton

d)

backpack

160.

A scientist creates a hypothesis, but the data she collects fail to support that hypothesis. The scientist should then

a)

change the data to support the hypothesis.

b)

change the hypothesis to match the results.

c)

forget the whole idea and walk away.

d)

use the data to develop and test a new hypothesis.

161.

Protons have a ____________ charge, neutrons have a ____________ charge, and electrons have a ____________ charge.

a)

positive; negative, neutral

b)

positive, neutral, negative

c)

neutral, negative, positive

d)

negative, neutral, positive

162.

The history of the Atomic Theory involves many changes from its early form. Theories change because

a)

people decide to no longer agree with them.

b)

all theories must be changed after a certain time.

c)

new evidence is found that allows the theory to be changed.

d)

when scientists die, their theories are always changed.

163.

The chemical symbol in this element box is

a)

26

b)

Fe

c)

Iron

d)

55.845

164.

The variable that is changed in an experiment is the

a)

independent variable.

b)

the dependent variable.

c)

the controlled variable.

d)

the data variable

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