WorksheetsTopic V bonding/energy and intramolecular forces
Total questions: 28
Worksheet time: 7hrs 0mins
In the reaction H2 + Cl2 → 2 HCl a bond is __ and energy is ___.
broken, released
formed, released
broken, absorbed
formed, absorbed
In which compound have electrons been transferred to sulfur?
SO2
Na2S
SO3
CS2
Which compound has the least ionic character?
KCl
AlCl3
CCl4
CaCl2
Ionic solids...
conduct electricity
have low melting points
are noncrystalline
have high melting points
A substance has a high melting point and can conduct electricity in the liquid phase. What kind of bonding?
polar covalent
metallic
ionic
nonpolar covalent
Which will conduct electricity in the solid and liquid phase?
CuCl2
HCl
Cl2
Cu
Which compound has both ionic and covalent bonds?
K2SO4
H2O
KCl
NaBr
Is this the correct dot diagram for HCl?
no, it is missing ion charges
no, it is missing the brackets
yes
no, it is missing ion charges and brackets
The total number of pairs of shared electrons on an oxygen molecule is
1
2
3
4
A compound has a low melting point and poor electrical conductivity. Which terms describe it.
ionic, metallic
covalent, molecular
ionic, covalent
molecular, metallic
Which type of bonding is in a water molecule?
ionic
metallic
nonpolar covalent
polar covalent
What type of bond is formed between the C and O in CO2?
ionic
polar covalent
nonpolar covalent
metallic
What type of bonding is in HF?
ionic
nonpolar covalent
polar covalent
metallic
Which molecule contains a polar bond?
H2
F2
O2
NH3
In a nonpolar bond....
two atoms share electrons unequally.
electrons are transferred.
two atoms share electrons equally.
the valence electrons are mobile.
Which is a nonpolar molecule containing nonpolar bonds?
CO2
O2
CH4
H2O
Which is a pyramidal molecule?
NH3
CH4
H2O
I2
Why is a CO2 molecule nonpolar?
C and O are nonmetals.
It's a gas at STP.
It has a symmetrical distribution of electrons.
C and O have the same electronegativity.
What type of bond is present in copper wire?
ionic
nonpolar covalent
molecular
metallic
What distinguishes a metallic bond from an ionic bond or a covalent bond?
equal sharing of electrons
mobile electrons.
transfer of electrons
unequal sharing of electrons
Is this the correct dot diagram for AlH3?
yes
no, it's missing brackets
no, it's missing ion charges
no, it's missing brackets and ion charges
Which is the correct dot diagram for CaH2?
-H:Ca+2:H-
[H:]Ca[:H]
-[H:]Ca+2[:H]-
H:Ca:H
This is the correct dot diagram for CO2.
True
False
This is the correct dot diagram for N2.
True
False
This is the correct dot diagram for O2.
true
false
What type of bonding is represented by this diagram?
ionic
covalent
molecular
metallic
Which are intramolecular forces of attraction?
ionic bonds
covalent bonds
metallic bonds
all of them
Which is true about this methane molecule?
It has polar covalent bonds and is a polar covalent compound.
It has polar covalent bonds and is a nonpolar covalent compound.
It has nonpolar covalent bonds and is a polar covalent compound.
It has nonpolar covalent bonds and is a nonpolar covalent compound.
