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WorksheetsORGANIZING THE ELEMENTS
Total questions: 25
Worksheet time: 10mins
What is the periodic table?
a chart of the elements
the average mass of all the isotopes of an element
True or False: The elements in the current periodic table are arranged in order of atomic mass.
True
False
What is the name of this element?
Oxygen
Tin
Sulfur
Magnesium
What is the atomic number of this element?
8
15.999
What is the chemical symbol of this element?
O
Ox
Oy
Og
What is a row of elements on the periodic table called?
period
group
What is a column of elements on the periodic table called?
period
group
The elements in a period have the same or similar properties.
True
False
The elements in a group have the same or similar properties.
True
False
What does malleable mean?
able to be hammered or bent
ability to move heat and electricity
conducts heat and electricity only sometimes
What is a conductor?
able to be hammered or bent
can move heat and electricity
can move heat and electricity sometimes
What is a semiconductor?
can be hammered or bent
can move heat and electricity
can move heat and electricity sometimes
Reactivity means the ability to bond with other atoms.
True
False
Which group has the most reactive metals?
Alkali metals
Halogens
Which group has the least reactive gases?
Halogens
Noble gases
Which group has 2 valence electrons?
Transition Metals
Alkaline Earth Metals
Which group has the magnetic elements iron, cobalt, and nickel?
Transition Metals
Alkaline Earth Metals
Which group has very reactive nonmetals like fluorine and chlorine?
Halogens
Noble Gases
Which group has two metals and two metalloids?
Rare Earth Metals
Carbon Family
Which group has the element we need for breathing?
Boron Family
Oxygen Family
Which group of elements contain the most useful semiconductors?
Metals
Nonmetals
Metalloids
Which group of elements contain the most useful semiconductors?
Metals
Nonmetals
Metalloids
A(n) ____ is an arrangement of elements in columns, based on a set of properties that repeat from row to row.
chemical formula
Periodic table
chemical reaction
chemical chart
What does the atomic number tell you?
How much an atom of the element weighs
How many protons are in the atom of the element
How many neutrons are in a molecule
The name of the element
How can the properties of an element be predicted?
By where they are found on earth
By the scientist who discovered them
By their discovery date
By their location on the periodic table
