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WorksheetsPeriodic Table
Total questions: 29
Worksheet time: 8mins
The modern periodic table is sorted by atomic number
True
False
What tells the number of protons in an atom?
Mass number
Atomic mass
Atomic number
Number of electrons
Which element has the chemical properties most similar to fluorine?
Lithium
Hydrogen
Chlorine
Aluminum
Vertical columns of the periodic table
Groups
Periods
Atomic number
Protons
Horizontal rows of the periodic table
Periods
Hydrogens
Atoms
Groups
What type of elements can stretch into wires?
Non-metals
Halogens
Metalloids
Metals
What is the mass number for this element?
26.98
26.98 - 13 = 13.98
13
39.98
The periodic table is primarily composed of
Metals
Metalloids
Non-metals
Gases
Which subatomic particles are located in the atom's nucleus?
Protons, neutrons, and electrons
Protons only
Neutrons and electrons
Protons and neutrons
An atom has 22 protons and 25 neutrons. What is its atomic mass?
3
22
25
47
An atom has 33 protons and an atomic mass of 67. How many electrons does it have?
33
67
100
34
If you change the number of protons in an atom, you change the element
True
False
Why are group 18 elements so inert?
They never ever bond with other elements
They are unstable elements
They have stable electron configuration
Because they form diatomic molecules
They are both transition metals
Na; Zr
Al; Xe
Os; Cr
Og; Se
Elements that have similar properties will be in the same _______ of the periodic table
Group
Period
Atomic number
Atomic mass
Mendeleev studied elements and looked for
properties
patterns
reactions
atomic numbers
Are located in the center of the periodic table
Metalloids
Transition metals
Gases
Solids
The three main groups of elements are metals, nonmetals, and ________
metalloids
alkali metals
radioactive elements
noble gases
All matter is composed of at least one element on the periodic table
True
False
Sodium is found in period
1
3
2
5
How many groups there are in the periodic table?
8
18
23
118
The atomic number tells you what?
The number of atoms
The number of protons
The mass number
The number of moles
An element's identity is determined by the number of
electrons
protons
mass
atoms
Negatively charged particles in an atom are called
Protons
Neutrons
Electrons
Cations
Which elements have the most similar chemical properties?
K and Na
Cr and Ir
O and N
F and S
What period and group is silver (Ag) in?
Period 2, Group 1
Period 5, Group 11
Period 3, Group 16
Period 2, Group 14
What happens to the atomic number of elements as you move left to right, up to down on the periodic table?
Decreases
Increases
Stays the same
Disappears
The properties of an element can be predicted from
color
location on periodic table
atomic number
mass number
Which is a proton?
a
b
c
