NEW
Font size
WorksheetsThe periodic Table
Total questions: 20
Worksheet time: 16mins
Atoms of elements that are in the same group have the same number of
protons.
neutrons.
valence electrons.
protons and neutrons.
Which of the following elements is an alkali metal?
calcium
magnesium
mercury
sodium
In Mendeleev's periodic table, elements in each column had similar
atomic masses.
properties.
atomic numbers.
symbols.
How was Mendeleev's periodic table arranged?
by increasing atomic mass
by decreasing atomic mass
by increasing atomic number
by decreasing atomic number
Mendeleev left gaps in his periodic table because
the table was too small.
protons belonged there.
the table was too full.
no known elements fit there.
Each column of the periodic table is
an element.
a group.
an isotope.
a period.
Most elements are
metals.
nonmetals.
metalloids.
semiconductors.
Elements in an elemental family have similar
atomic symbols.
atomic sizes.
atomic weights.
chemical properties.
Which statement about the alkali metals is correct?
They are located in the left-most column of the periodic table.
They are extremely nonreactive.
They are usually gases.
They form negative ions with a 1- charge.
Metals tend to be
gases.
dull.
brittle.
good conductors.
Which group is very stable due to the fact that they have a full outermost energy level?
alkali metals
halogens
alkaline-earth metals
noble gases
Alkali metals are extremely reactive because they
have every small atomic masses.
are not solid at room temperature.
have one valence electron that is easily removed to form a positive ion.
have two valence electrons that form compounds with calcium and magnesium.
Which is NOT a property of metals?
brittleness
conductivity
ductility
luster
What are two properties that make a metal a good choice to use as wire in electronics?
conductivity, malleability
ductility, conductivity
luster, malleability
malleability, high density
The table above lists some information about certain elements in group 17. Which statement describes what happens to these elements as atomic number increases?
Both melting point and boiling point decrease.
Melting point increases and boiling point decreases.
Melting point decreases and boiling point increases.
Both melting point and boiling point increase.
Where are most nonmetals located on the periodic table?
in the bottom row
on the left side and in the middle
on the right side
in the top row
