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25 questions
The horizontal row on the periodic table is called a
group
family
period
atomic number
A vertical column in the periodic table is called...
group
tower
period
crew
The number at the top of each square pictured is the ...
atomic number
atomic mass
Chemical Symbol
Element Name
What is the chemical symbol for Lithium?
L
He
Li
N
Pure forms of these elements are stored in oil so they won't react with oxygen and water in the air.
Alkali Metals
Alkaline-earth metals
Halogens
Noble Gases
What group on the periodic table do the alkali-earth metals belong to?
Group 1
Group 2
Group 3
Group 8
Diamonds are a pure form of what element?
Carbon
Oxygen
Silicon
Silver
Most of the elements on the periodic table are classified as _____.
Metals
Nonmetals
Metalloids
Periods
Why do some elements in the periodic table have 3 letter chemical symbols?
There are no elements with 3 letter symbols
They are named after scientists
They are named after places
They have a temporary name until scientists agree on a new name.
How did Mendeleev arrange the elements in the periodic table?
In alphabetical order
According to their density
According to their melting point
According to their atomic mass
Which element is not a metal?
H
Ca
Al
B
Elements in a ..................have similar chemical properties.
period
group
row
periodic table
Which two types of subatomic particles are found in the nucleus of an atom.
Electron
Neutron
Proton
Megatron
The elements in this group only have 1 valence electron and include Li, Na, and K.
Group 8
Group 1
Group 3
Group 6
How many electrons do atoms need to be stable (excl. H and He)?
1
2
6
8
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