WorksheetsCh 11 - 2
Total questions: 24
Worksheet time: 16mins
Compounds are formed when atoms share
protons
neutrons
valence electrons
atomic mass
Name the bond that atoms share electrons
Convalent
Ionic
Atomic
To become stronger
H2O
What kind of element forms covalent bond?
metals
semi -metals
non metals
metal and non metal
H2SO4 is the chemical formula with what elements
oxygen
sulphur
helium
hydrogen
silver
Covalent Compounds can be __________ bonded
zero
single
double
triple
quadruple
Number of covalent bonds can form in group 16
one
two
three
four
Number of covalent bonds can form in group 16
one
two
three
four
In an electron dot diagram, two pairs of shared electrons represents a ...
Which is the correct bond diagram for S2
The slight positive end/s and a slight negative end/s
of a molecule/compound is called
directions
poles
polar
opposites
Polar molecules have unequal sharing of ____________
neutrons
protons
electrons
SO2
Polar
Non-polar
CS2
Polar
Non-polar
Which of the following statements is/are TRUE
Polar molecules dissolves better in Non-Polar molecules
Polar molecules dissolves better in Polar molecules
Non-Polar molecules dissolves better in Non-polar molecules
Non-Polar molecules cannot dissolve
Compounds are chemical combinations of two or more
atoms
elements
electrons
protons
A group of chemical symbols and numbers that
represent the elements and the numbers of atoms
of each element in a compound.
chemical bond
chemical formula
chemical combination
chemical portion
__________
show the shape and appearance of
the arrangement of atoms in a compound.
Chemical formula
Molecular formula
Molecular models
Chemical modles
A ______________is a group of atoms held together by
covalent bonding that acts as an independent unit.
compound
molecule
mixture
Generally have low melting points and low boiling points.
They are poor conductors of electricity
Covalent compounds
Ionic
compounds
Metallic
compounds
Which type of the covalent bonds is the strongest
they are
the same
single
double
triple
quadruple
Molecules made up of atoms of the same element are
polar
non-polar
sometimes polar
sometimes non-polar
O2
Polar
Non-polar
