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WorksheetsChemical Bonding
Total questions: 10
Worksheet time: 5mins
Which of the following represents a compound?
chemical symbol
chemical formula
chemical equation
chemical operation
Which of the following examples is NOT a compound?
air
hydrochloric acid
salt
water
In a chemical formula, which one represents the number of atoms of a particular element in a molecule?
coefficient
subscript
superscript
symbol
How will an atom become chemically stable?
the valence electron must not be 8
the outermost shell must not be empty
the valence electron must be transferred or shared
the valence electron must be 8 or must have an empty outermost shell
Which of the following does NOT describe ionic bond?
electrons are lost or gained
occurs between opposite charges of ions
occurs between metals and non-metals
occurs between non-metals and non-metals
Which statement correctly describes covalent bond?
electrons are shared
electrons are transferred
occurs between metals and non-metals
cannot form multiple bonds
Negatively charged ions are called ____.
anion
cation
electron
proton
The number of valence electron of an atom corresponds to the element's _____.
atomic number
group number
mass number
period number
Applying the Octet rule, which atom will lost electron?
an atom that is stable
if the valence electron is 8
if the valence electron is less than 4
if the valence electron is greater than 4
Which of the following is the correct Lewis Dot Structure for Carbon
. C .
.
. C .
.
. C .
.
. .
. C .
. .
