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WorksheetsCovalent Bonding
Total questions: 20
Worksheet time: 10mins
Which of these elements does not exist as a diatomic molecule?
I
F
H
He
Which one of the following compounds is not covalent?
SCl₂
KCl
HCl
S₂Cl₂
How many valence electrons does an atom of any halogen have?
1
2
4
7
A diatomic molecule with a triple covalent bond is
N₂
Br₂
H₂
O₂
A molecule of nitrous oxide, N₂O, contains all of the following except
a coordinate covalent bond.
a triple bond.
a double bond.
nonbonding pairs of electrons.
If a bonding pair of electrons is unequally shared between two atoms, the bond is
ionic.
nonpolar covalent.
coordinate covalent.
polar covalent.
What is the electron dot structure for water?
H:O:H
H:O: (with dots around O)
H:O: (with dots around H)
H:O:H (with dots around O)
Which of the following compounds is not ionic?
NaI
CaCl₂
CO₂
Na₂O
A covalent bond forms
when an element becomes a noble gas.
when atoms share electrons.
between metals and nonmetals.
when electrons are transferred from one atom to another.
Which of these compounds would not have covalent bonds?
NO₂
K₂O
N₂O₄
H₂O₂
A molecule with a single covalent bond is
CO₂
F₂
NO
N₂
Chlorine is a gas, bromine is a liquid, and iodine is a solid because of differences in the strength of their
hydrogen bonds
dipole interactions
dispersion forces
polar bonds
When H⁺ forms a bond with H₂O to form hydronium ion, H₃O⁺, this bond is called a coordinate covalent bond because
both bonding electrons come from the oxygen atom.
it is an especially strong bond.
the electrons are equally shared.
the oxygen no longer has eight electrons surrounding it.
Which of the following molecules has one lone pair of electrons?
CH₄
H₂O
HCl
NH₃
Which of the following is the weakest?
hydrogen bond
dipole interaction
polar covalent bond
ionic bond
The carbon tetrachloride molecule is
four-cornered
tetrahedral
square
pyramidal
Identify the type of bond can be found in KF?
Polar Covalent
Non-Polar Covalent
Ionic
Identify the type of bond can be found in HBr?
Polar Covalent
Non-Polar Covalent
Ionic
Identify the type of bond can be found in NO₂?
Polar Covalent
Non-Polar Covalent
Ionic
Identify the type of bond can be found in SO₂?
Polar Covalent
Non-Polar Covalent
Ionic
