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WorksheetsChemical Bonding Review
Total questions: 32
Worksheet time: 40mins
Which part of the atom is responsible for chemical bonding?
Core Electrons
Valence Electrons
Protons
Neutrons
A positively or negatively charged particle.
covalent bond
ion
oxidation number
subscript
A chemical bond between oppositely charged ions.
Covalent bonds
Ionic Bonds
Ion
Compound
Which of these is NOT a chemical bond?
Ionic bond
Covalent bond
Metallic bond
Molecule bond
Metal atoms drift free from one side to another forming a ____________________________
sea of electrons
sea of ions
sea of molecules
sea of compounds
Polar bond is when electrons are _________________ shared.
equally
unequally
Nonpolar bonds are when electrons are ______________ shared.
equally
nonequally
What is the correct Lewis Dot Structure for ammonia NH3
Which is the correct molecular structure for carbon dioxide?
How many total valence electrons are participating in bonding in the molecule above?
8
4
2
3
CO2 has how many lone pairs?
0
1
2
3
4
NH3 has how many lone pairs?
0
1
2
3
Which of the following compounds has only single bonds?
I only
II only
III only
I and III
III and IV
CCl4 has how many double bonds?
0
1
2
3
In HCN (Carbon is usually the central atom) what kind of bond is between the C and N
Single
Double
Triple
This is a correct dot diagram for magnesium (Mg)
true
false
In salt structures, the cation ...
(select all that may apply)
loses all its valence electrons to the anion
gains valence electrons to become stable
looks the same as it did as an atomic structure
gets brackets and a charge
In salt structures, the anion ...
(select all that may apply)
loses all its valence electrons to the anion
gains valence electrons to become stable
looks the same as it did as an atomic structure
gets brackets and a charge
The salt that forms between Na and Cl has
one Na ion & one Cl ion
one Na ion & two Cl ions
two Na ions & one Cl ion
two Na ions & two Cl ions
The salt that forms between Ba and Cl has
one Ba ion & one Cl ion
one Ba ion & two Cl ions
two Ba ions & one Cl ion
two Ba ions & two Cl ions
The salt that forms between Ba and P has
two Ba ions & two P ions
two Ba ions & three P ions
three Ba ions & two P ions
three Ba ions & three P ions
How many bonding pairs does BH3 have?
1
2
3
4
BH3 is "not possible"
How many bonding pairs does SF6 have?
2
4
6
8
SF6 is "not possible"
It is possible for an atom in a molecule to have more than 8 electrons, it is called a(n) ___________.
resonance
none of these, this is not possible
expanded octet
incomplete octet
