WorksheetsPeriodic Table and Atomic Structure Review
Total questions: 24
Worksheet time: 24mins
Atoms of elements in the same group of the periodic table share the same
number of energy levels
number of valence electrons
atomic numbers
atomic masses
Which particles determine the atomic number of an element?
Protons only
Neutrons and protons
Neutrons only
Protons and electrons
What is an atom’s nucleus made of?
protons and electrons
protons only
protons and neutrons
neutrons only
How many electrons will a neutral atom of carbon have if its nucleus has 6 protons and 8 neutrons?
2
6
8
14
Match the following atomic numbers with their element name
Atomic Number 3
Lithium
Atomic Number 1
Hydrogen
Atomic Number 78
Platinum
Atomic Number 33
Arsenic
Atomic Number 52
Tellurium
The number 16 for the atomic element sulfur is the
ionic number
isotope
atomic mass
atomic number
Which element has an atomic number of 82? (a)
lead
chlorine
argon
xenon
Aria and Luna are exploring the periodic table. They notice a number at the top of each square. What is this number called?
atomic number
atomic mass
Chemical Symbol
Element Name
What determines the order of elements on today's periodic table?
increasing atomic mass
decreasing atomic mass
increasing atomic number
decreasing atomic number
What is the atomic number for Arsenic?
74.922
75
33
42
The order of the elements in the periodic table is determined by their (a)
number of electrons
atomic mass
number of protons
P= (a)
E= (b)
N= (c)
8
16
24
The number at the top of each square on the periodic table is the ...
atomic number
atomic mass
Chemical Symbol
Element Name
Use the element tile for Sulfur (S) to match the elements with their correct label.
Element Symbol
S
Atomic Number
16
Mass Number
32
Element Name
Sulfur
I have the same number of energy levels as potassium.
Sodium
Magnesium
Calcium
rubidium
Which of the following elements have the smallest atoms?
Potassium (K)
Calcium (Ca)
Bromine (Br)
Krypton (Kr)
An element with 5 protons, 6 neutrons, and 8 electrons has an atomic number of
5
6
8
11
An element with 5 protons, 6 neutrons, and 8 electrons has a mass number of
5
6
8
11
Which of the following elements is a noble gas?
Helium
Oxygen
Nitrogen
Carbon
What is the atomic number of an element with 11 protons?
11
12
22
23
Which element is represented by the symbol 'Fe'?
Iron
Fluorine
Francium
Fermium
What is the maximum number of electrons that can occupy the second energy level of an atom?
2
4
8
10
