WorksheetsPeriodic Table and Bonding Revision
Total questions: 28
Worksheet time: 19mins
What happens when an ionic bond is formed?
Electrons are transferred
Electrons stick together
Electrons are shared
Electrons break into pieces
Ionic bonds are held together by
Protons
Neutrons
Ions with opposite charges
Water
A noble (inert) gas is only able to form bonds with other inert gases.
True or false?
True
False
A positive ion is formed when
electrons are gained
protons are gained
electrons are lost
protons are lost
Elements in the periodic table are grouped by
their physical state
their outer electron shell configuration
their atomic mass
their colour
What element does not match the properties of any other group, so it stands alone. It is placed above group 1 but is not part of that group?
H
He
O
C
The group of nonmetals which are very reactive, and which tend to form salts with metals are the _____.
halogens
noble gases
transition metals
alkali metals
The group of nonmetals which are unreactive and gases at room temperature is _________.
halogens
noble gases
transition metals
alkali metals
The number of energy levels occupied by electrons.
The exact same characteristics.
The number of valence electrons.
None in any of the choices.
How was Mendeleev's periodic table arranged?
by increasing atomic mass
by decreasing atomic mass
by increasing atomic number
by decreasing atomic number
Where are most metals on the periodic table?
on the left side only
on the right side only
in the middle only
on the left side and in the middle
An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?
Gain 5
Lose 3
Nothing
How many Aluminum atoms are in Al2O3?
3
5
2
1
How do covalent bonds form?
By donating and receiving valence electrons between atoms.
Scientists still aren't sure.
Opposite slight charges attract each atom in the compound.
Sharing valence electrons between atoms
What two types of atoms make a covalent bond?
2 Nonmetals
1 Metal and 1 Nonmetal
2 Metals
2 Noble Gases
Why is graphite so soft and slippery?
It is made of layers of atoms with weak forces between them
It is made of small molecules
It is an ionic compound
The covalent bonds are weak
Diamond cannot conduct electricity. Give a reason for this.
Has delocalized electrons
No free moving electrons
All carbon atoms share 3 electrons
Diamond is hard
The following properties are all characteristics of ionic compounds EXCEPT
high melting and boiling points
soft
crystal lattice structure
conduct electricity when dissolved in water
What type of forces hold on an ionic lattice together?
Electrostatic attraction forces
Covalent bond
Metallic bond
Van der Waals forces
What properties does an ionic compound have?
A low boiling point and it conducts electricity when dissolved in water
A high melting and it conducts electricity when liquid
A high boiling point and it conducts electricity when solid
Ionic compounds conduct electricity when dissolved in water. Which statement below best explains the property?
Ions are free to move.
Electrons are free to move.
Bonds are strong.
There are weak intermolecular forces of attraction.
