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WorksheetsPERIODIC TABLE OF ELEMENTS
Total questions: 50
Worksheet time: 34mins
Who invented the Periodic Table?
Mendeleev
Bohr
Lewis
Democritus
As you move left to right on a row or period what happens?
Atomic number increases by 1
Electrons decrease
Number of shells decrease
Nothing
What happens to the number of shells as you move down a group?
They decrease by 1
They increase by 1
Nothing
The first energy shell can hold ______ electrons.
2
8
18
All elements in the same row have the same number of shells.
True
False
Sometimes
Mendeleev's genius was his ability to
predict elements that were not discovered yet
organize elements by their mass
had an element named after himself
organize elements by properties
Valence means......
inside
outside
full
Elements in the same group or column have the same ...
# of valence electrons
# of shells
# of protons
Mass Number
Rows on the periodic table are called ___________.
Periods
Sentences
Fences
Elements in the same group have __________
Similar Properties
Same number of shells
Similar Mass
What do all elements in the same period have?
same number of shells
same number of electrons
belong in the same family
Use your periodic table to find which element has 5 protons.
Lithium
Calcium
Boron
Neon
What is common among elements in the same group?
They have the same number of energy levels.
They have the same number of valence electrons.
They have the same number of protons.
They have the same number of neutrons and protons.
Which statement best describes the arrangement of elements in the periodic table?
Elements are arranged in decreasing atomic mass from left to right.
Elements are arranged in decreasing atomic number from left to right.
Elements are arranged in increasing atomic number from left to right
Elements are arranged in increasing number of neutrons from left to right.
Which pair of elements has the most similar properties?
Be and B
O and S
H and Hg
Na and F
Which group in the periodic table of elements has the greatest number of metals?
Group 1 (IA)
Group 6 (VIB)
Group 13 (IIIA)
Group 18 (VIIIA)
He, Ne, and Ar are all noble gases. What is common among these gases?
They are flammable.
They are highly reactive.
They are metals.
They are unreactive.
When elements fall under the same column, this means they belong to the same ______.
group
period
The image below shows how information about a specific element is represented on the periodic table.
What information does the symbol “C” give about the element?
atomic number
atomic mass
density
chemical symbol
The image below shows how information about a specific element is represented on the periodic table.
What information does the symbol “6” give about the element?
atomic number
atomic mass
density
chemical symbol
Which group of elements are also called semi-metals?
Alkali metals
Metalloids
Halogens
Noble gases
noble gases
Who is the scientist who organized the periodic chart by ATOMIC NUMBER?
Moseley
Mendeleev
Einstein
Miller
Who is the scientist who first organized the chart by ATOMIC MASS?
Moseley
Mendeleev
Einstein
Miller
What did Mosely discover to reorganize the new chart?
The number of protons in each element
The average atomic mass
The names of the elements
The elements diary
What is the Element for 'Fe' symbol?
(a)
Which of these use their Latin Names for Symbols?
Phosphorus
Nitrogen
Sodium
Helium
What Comes after Magnesium?
Argentum
Aurum
Argon
Aluminium
What is the symbol of Argon?
Ar
A
Ag
What is the Serial Number (Or Atomic number) of Lithium?
1
4
9
3
8
What serial number (Or atomic number) is Lithium?
4
1
9
3
8
What is the English name for Plumbum?
(a)
Which term is used for the vertical columns of the periodic table?
group
line
period
row
How many groups or families and periods does a Periodical Table have?
There are 17 groups or families and 7 periods.
There are 18 groups or families and 7 periods.
There are 7 groups or families and 18 periods.
There are 18 groups or families and 6 periods
Which of the following are the three major groups of elements in the periodic table?
Metals, non-metals, metalloids
Metals, conductors, metalloids
Metals, conductors, insulators
Non-metals, conductors, insulators
The following elements belong to the same group EXCEPT?
Argon
Calcium
Helium
Krypton
Which of the following BEST describes metals?
Metals are dull and brittle.
Metals are insulators and poor conductors of heat.
Metals are dull, brittle, malleable, ductile, and good conductors of heat and electricity.
Metals are lustrous, malleable, ductile, and good conductors of heat and electricity.
Based on the reactivity series, which metal is the most reactive?
Copper
Lithium
Sodium
Zinc
The Atomic number is known as the _______
Number of electrons in an atom
Number of Protons in an atom
Number of neutrons in an atom
Number of Protons and electrons in an atom
What charge do protons have?
Positive
Negative
Neutral
The formula used to calculate the number of neutrons is:
Mass Number - Atomic Number
Protons + Electrons
Atomic Number - Mass Number
Protons x2
