WorksheetsAtomic Structure
Total questions: 62
Worksheet time: 53mins
Name
Class
Date
1.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron
2.
Choose the particle that has no charge.
a)
nucleus
b)
neutron
c)
proton
d)
electron
3.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
4.
What is the mass of a proton and a neutron?
a)
1amu
b)
2grams
c)
13amu
d)
10cm
5.
An electron has a _____ charge.
a)
negative
b)
positive
c)
neutral
6.
Describe an Electron Cloud?
a)
the mist outside of an atom
b)
home of the protons
c)
where electrons are located
d)
nucleus
7.
What are the maximum number of electrons that go on the first 3 energy levels?
a)
2,4,16
b)
2,8,18
c)
4,8,12
d)
3,4,6
8.
What are valence electrons?
a)
electrons on the first orbital always
b)
nucleus
c)
the outermost shell
d)
the number of electrons on the outermost orbital
9.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
10.
The subatomic particle that determines the identity of an element.
a)
neutron
b)
proton
c)
electron
d)
outer shell
11.
What charge does the nucleus have and why?
a)
positive - the neutrons do not have a charge
b)
positive - the neutrons and protons are positively charged particles
c)
neutral - the neutral charge dominates the positive charge
d)
neutral - electrons cancel out the positive charge of the atom
12.
What is the mass number and name of an element with 8 protons and 8 neutrons?
a)
16 - Carbon
b)
16 - Oxygen
c)
24 - Oxygen
d)
8 - Neon
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 neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
15.
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
16.
How many electron shells/levels does this atom have?
a)
1
b)
2
c)
3
d)
4
17.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green
18.
What is a pure substance that cannot be broken down?
a)
matter
b)
atom
c)
molecule
d)
element
19.
What are the building blocks of matter?
a)
Matter
b)
Atom
c)
Molecule
d)
Element
20.
What do the following properties describe? : shiny, ductile, good conductor, high melting point
a)
metal
b)
nonmetal
c)
metalloid
21.
Roasting marshmallows is a CHEMICAL change.
a)
True
b)
False
22.
Crushing a soda can is a CHEMICAL change.
a)
True
b)
False
23.
Which is an example of a heterogeneous mixture?
a)
Ice Cream
b)
Salt Water
c)
Salad
d)
Lemonade
24.
Which is an example of a homogeneous mixture?
a)
Ice Cream
b)
Salad
c)
Soup
d)
Soil
25.
Which is an example of a metal?
a)
Radon
b)
Oxygen
c)
Aluminium
d)
Carbon
26.
Which element is located at Period 5, Group 2?
a)
Niobium
b)
Strontium
c)
Nitrogen
d)
Phosphorus
27.
Which of the following is an example of a physical property?
a)
flammability
b)
toxicity
c)
reactiviy with water
d)
Melting Point
28.
Elements in the periodic table are arranged in order by their ...
a)
atomic number
b)
atomic mass (mass number)
c)
metal, nonmetal, or metalloid properties
29.
Periods run VERTICALLY on the periodic table, from top to bottom.
a)
True
b)
False
30.
ATOMIC NUMBER is the number of protons AND electrons.
a)
True
b)
False
31.
What is a particle made of 2 or more atoms?
a)
molecule
b)
matter
c)
atom
d)
element
32.
How many proton are in this element?
a)
238
b)
92
c)
146
33.
How many electrons are in this element?
a)
238
b)
92
c)
146
34.
How many neutrons are in this element?
a)
238
b)
92
c)
146
35.
Which of the following describes a compound?
a)
Can easily be separated
b)
Chemically combined
c)
Not chemically combined
d)
Has two different types: homogeneous and heterogeneous
36.
What is the chemical symbol for Calcium?
a)
C
b)
Ca
c)
Cal
37.
What does the chemical symbol Au stand for?
a)
Gold
b)
Silver
38.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
39.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
40.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
41.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
42.
What atom is represented here?
a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Fluorine
43.
How many unpaired electrons would lithium have?
a)
1
b)
2
c)
3
d)
0
44.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
45.
How many total electrons can the f orbitals in a sublevel hold?
a)
2
b)
14
c)
6
d)
10
46.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
47.
Which family could have electrons filling orbitals in the s-block?
a)
Alkaine Earth
b)
Halogens
c)
Noble Gases
d)
Transition Metals
48.
What does the group number of each element in a representative family indicate?
a)
Electron configuration
b)
Valence electrons
c)
Noble gas
d)
Total number of electrons
49.
There are 4 different types of sublevels on the periodic table:
s,p,d,f
s,p,d,f
a)
True
b)
False
50.
Which is associated with more energy?
a)
2p
b)
2s
c)
3p
d)
1s
51.
When writing Lewis Structures, only __________ electrons are used.
a)
Inner shell
b)
Core
c)
Valence
d)
Stable
52.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons
c)
The transfer of electrons
d)
None Of the above
53.
What do atoms that form positive ions tend to do?
a)
Tend to lose electrons
b)
Tend to lose protons
c)
Tend to gain electrons
d)
Tend to gain protons
54.
What usually forms the negative ion?
a)
nonmetals
b)
metal
c)
none
55.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
56.
What happens when an atom loses an electron?
a)
Neutral (no charge)
b)
Positive charge
c)
Negative charge
57.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
58.
What elements generally make a covalent bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
59.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
60.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
61.
What is the number of valence electrons for Oxygen?
a)
8
b)
6
c)
2
d)
1
62.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
100 %
