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WorksheetsThe Periodic Table
Total questions: 20
Worksheet time: 16mins
The first periodic table was organized by increasing...
atomic number.
atomic mass.
number of protons.
element name.
The modern periodic table is organized by increasing...
atomic number.
number of neutrons.
element name.
atomic mass.
Rows on the periodic table...
increase in the number of protons from left to right and are called periods.
increase in the number of neutrons from left to right and are called periods.
increase in the number of protons from left to right and are called groups.
increase in the number of protons from right to left and are called periods.
Columns on the periodic table...
contain elements with similar properties and are called groups.
contain elements with different properties and are called groups.
contain elements with similar properties and are called periods.
contain elements with different properties and are called periods.
Metals are the largest class of elements that...
typically lose electrons, and are shiny, ductile, malleable, and good conductors of heat and electricity.
typically gain electrons, and are shiny, ductile, malleable, and good conductors of heat and electricity.
typically gain electrons, and are dull, brittle, have low boiling points, poor conductors of heat, and generally cannot conduct electricity.
can gain or lose electrons, and are shiny, brittle, and can conduct heat and electricity.
Nonmetals are the second largest class of elements that...
typically lose electrons, and are shiny, ductile, malleable, and good conductors of heat and electricity.
typically gain electrons, and are shiny, ductile, malleable, and good conductors of heat and electricity.
typically gain electrons, and are dull, brittle, have low boiling points, poor conductors of heat, and generally cannot conduct electricity.
can gain or lose electrons, and are shiny, brittle, and can conduct heat and electricity.
Metalloids are the smallest class of elements that...
typically lose electrons, and are shiny, ductile, malleable, and good conductors of heat and electricity.
typically gain electrons, and are shiny, ductile, malleable, and good conductors of heat and electricity.
typically gain electrons, and are dull, brittle, have low boiling points, poor conductors of heat, and generally cannot conduct electricity.
can gain or lose electrons, and are shiny, brittle, and can conduct heat and electricity.
Which electrons are considered valence electrons?
Only the electrons in the outermost energy level.
Only the electrons in the innermost energy level.
All electrons are considered valence electrons.
Calcium is an element in group 2. It has an atomic number of 20 and a mass number of 40. How many valence electrons does it have?
Calcium has 2 valence electrons.
Calcium has 20 valence electrons.
Calcium has 40 valence electrons.
Calcium has 8 valence electrons.
Hydrogen is placed in group 1 because...
it has 1 valence electron.
it has 1 valence electron and is an alkali metal.
it is an alkali metal.
Elements in group 2 are...
called Alkaline Earth metals and readily give up their 2 valence electrons.
called Alkaline Earth metals and readily accept 2 valence electrons.
called Alkali metals and readily give up their 1 valence electron.
called Alkali metals and readily accept 1 valence electron.
What is the name of the elements in groups 3-12?
Transition metals
Alkali metals
Alkaline Earth metals
Which groups contain one or two metalloids?
Groups 13-16.
Groups 3-12
Groups 1-18
Group 17 only.
Which group contains the most reactive nonmetal elements?
Group 17, the Halogens.
Group 1, the Alkali metals.
Group 2, the Alkaline Earth metals.
Group 18, the Noble gases.
Which group contains the most reactive metal elements?
Group 17, the Halogens.
Group 1, the Alkali metals.
Group 2, the Alkaline Earth metals.
Group 18, the Noble gases.
Which group contains the least reactive nonmetal elements?
Group 17, the Halogens.
Group 1, the Alkali metals.
Group 2, the Alkaline Earth metals.
Group 18, the Noble gases.
How many valence electrons do elements in group 17 have and how many more electrons are needed to become stable?
Elements in group 17 have 7 valence electrons and 1 more electron is needed to become stable.
Elements in group 17 have 1 valence electron and 1 more electron is needed to become stable.
Elements in group 17 have 17 valence electrons and 1 more electron is needed to become stable.
Why do elements in group 18, the Noble gases, not want to react with other elements?
They have full outer energy levels and are stable.
They have full outer energy levels and are unstable.
Their outer energy levels are nearly full, but they are stable.
Their outer energy levels are nearly full and they are unstable.
Which groups of elements typically form bonds to become stable?
Groups 1 and 17.
Groups 3 and 5.
Groups 2 and 13.
Groups 15 and 16.
Beryllium is an element in group 2. Which element would it want to form a bond with to become stable?
Nitrogen in group 15.
Oxygen in group 16.
Carbon in group 14.
Fluorine in group 17.
