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WorksheetsQQ6 Review - Bonds, Chemical Bonds
Total questions: 17
Worksheet time: 34mins
An atom becomes an _____ when it gains or loses electrons.
ion
proton
electron
neutron
An atom that loses an electron becomes a ___________ ion.
negative
positive
neutral
An atom that gains an electron becomes a ___________ ion.
negative
positive
neutral
The type of bond that is formed when one atom transfers electrons to another atom is called:
covalent
ionic
The type of bond that is formed when one atom shares electrons with another atom is called:
covalent
ionic
The outermost electrons are called the __________ electrons.
reacting
outside
valence
contact
What are the properties of Ionic compounds?
3-D crystal shape, high melting point, electrical conductivity
Weak bonds, polar and non-polar compounds
How many Sodium (Na+) ions are needed to balance the charge of one Chlorine (Cl-) ion? (Think: the ratio of Na to Cl in the chemical formula for salt)
three
two
one
A __________ compound is formed with covalent bonds.
Ionic
Molecular
Which are examples of Molecular Compounds?
Lithium Flouride, Magnesium Oxide
Water
Table Salt
Methane, Carbon Dioxide
Sugar
Which are examples of Ionic Compounds?
Lithium Flouride
Water, Sugar
Table Salt
Methane, Carbon Dioxide
Magnesium Oxide
Ionic Compounds form between:
more than one nonmetal
a metal and a nonmetal
Molecular Compounds form between:
nonmetals
a metal and a nonmetal
Which are weaker?
ionic bonds
covalent bonds
How many valence electrons does Oxygen have?
4
5
6
7
How many valence electrons does Neon have?
6
7
8
9
How many valence electrons are needed for a stable number?
6
7
8
9
