WorksheetsPeriodic Trends
Total questions: 55
Worksheet time: 43mins
The order of elements in the periodic table is based on
the number of protons in the nucleus.
the electric charge of the nucleus.
the number of neutrons in the nucleus.
atomic mass.
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
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.
The three main groups of elements are metals, nonmetals, and
inert gases.
alkali metals.
radioactive isotopes.
semiconductors/metalloids.
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
Which of the following is a property of group 18 elements?
malleable
brittleness
high electrical conductivity
unlikely to react with other elements
Based on its location on the periodic table, which of these elements most likely has physical and chemical properties most similar to boron (B)?
magnesium (Mg)
aluminum (Al)
neon (Ne)
chlorine (Cl)
Which of the following groups on the Periodic Table is likely to form positively charged ions (or cations)?
group 1
group 13
group 17
group 18
Which of the following elements would most likely be a shiny, gray-colored solid at room temperature, conduct electricity, and dent when hit with a hammer?
argon (Ar)
chlorine (Cl)
sulfur (S)
aluminum (Al)
Which class of elements are malleable, ductile, shiny when clean and polished, good conductors of heat and electricity, and reacts with acids to form hydrogen gas?
metals
nonmetals
metalloids
ions
What is an atom or bonded group of atoms that has a positive or negative charge?
ion
atom
metal
nonmetal
Where are metalloids located on the Periodic Table?
In the s block.
In the f block.
In the d block.
The elements that touch the staircase except aluminum.
What does the atomic radius increase down a group?
There are more electrons and energy levels.
There are fewer electrons and energy levels.
There are more protons that need more energy levels.
There are more neutrons that need more energy levels.
What element has the largest atomic radius?
oxygen
neon
carbon
sodium
What is the trend for ionization energy?
Across a period (left to right) it increases and down a group it decreases.
Across a period (left to right) it decreases and down a group it increases.
Across a period (left to right) it decreases and down a group it decreases.
Across a period (left to right) it increases and down a group it increases.
Which element has the highest ionization energy?
oxygen
sulfur
silicon
potassium
Which elements have properties in common?
elements in a group
elements in a period
These elements are in a:
group
period
These elements are in a:
group
period
Which elements are stable?
Group 1
Group 8
Group 18
Which elements have 1 valence electron?
period 1
group 1
group 4
which elements have 4 valence electrons?
group 3
group 4
group 14
