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WorksheetsPeriodic Table of the Elements
Total questions: 20
Worksheet time: 12mins
Mendeleev arranged the elements by their ________________
alphabetical
density
melting point
atomic mass
The horizontal rows on the periodic table are called
groups
families
periods
atomic numbers
Each vertical column on the periodic table is called a...
group
tower
period
crew
In each square of the periodic table, the number at the bottom is the:
atomic number
atomic mass
chemical symbol
element name
What is the chemical symbol for Lead?
Le
Fe
Ld
Pb
On the periodic table, elements on the right side of the "stair-step" line are classified as:
nonmetals
metals
gases
Halogens
These elements located on the "stair-step" line are sometimes called "semiconductors."
Metals
Nonmetals
Metalloids
Groups
How many Valance electrons does Iodine Have?
6
16
7
17
The atomic mass of an element is:
the amount of electrons the element has
the element's size
the number of protons and neutrons an element has in its nucleus
the element's name
The atomic number is the
average mass of the element
number of protons an element has
number of valence electrons an element has
group and period an element belongs to
Elements in the same group or family have the same number of
neutrons
valence electrons
electrons
energy levels
Electrons...
are found in the nucleus
give us the atomic number of an element
are how we identify each elements
have a negative charge
Elements in the same period have the same number of
neutrons
valence electrons
electrons
energy levels
