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WorksheetsThe Periodic Table
Total questions: 20
Worksheet time: 13mins
The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
Elements in a .................. have similar chemical properties.
period
group
row
Which group of the periodic table is composed of inert (not reactive) gases?
answer choices
alkali metals
alkaline earth metals
halogens
noble gases
How many periods are on the periodic table?
5
6
7
8
Elements in the same group have : (2 correct answers)
Similar chemical properties
Similar names
Same number of outer (valence) electrons)
The same number of protons
The blue elements (left side) are called
The yellow elements (right side) are called
strontium
2 energy levels
lithium
1 energy level
aluminum
3 energy levels
bromine
4 energy levels
helium
5 energy levels
Which element is similar to Li?
Be
K
Which element is similar to Mg?
Ca
B
Which element is similar to F?
Ne
Cl
Which element has an atomic number of 20?
Put these elements in order of increasing mass.
Hydrogen
Berylium
Nitrogen
Potassium
Gold
