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WorksheetsIonic bond Test Remediation
Total questions: 27
Worksheet time: 2hrs 36mins
1-10.
Answer the questions below after watching the video
What are the two types of bonds discussed at the extremes of the bonding spectrum?
Ionic and Metallic
Covalent and Metallic
Ionic and Covalent
Hydrogen and Ionic
What causes the polarity in a water molecule?
None of the above
Equal electronegativities
Equal sharing of electrons
Unequal sharing of electrons
Which molecule is used as an example to explain polar covalent bonds?
Oxygen
Carbon dioxide
Water
Methane
What happens to the hydrogen atoms in a water molecule due to the oxygen's higher electronegativity?
They become partially positive
They do not change
They gain electrons
They lose electrons
What is the main characteristic of a nonpolar covalent bond?
Unequal sharing of electrons
No shared electrons
Equal sharing of electrons
Transfer of electrons
How are electrons shared in a nonpolar covalent bond?
Not shared at all
Equally between atoms
Alternating between atoms
Close to the more electronegative atom
What type of bond is formed between two chlorine atoms in a molecule?
Nonpolar covalent
Polar covalent
Hydrogen
Ionic
In the bonding simulation, what does the white color in the electron cloud indicate?
Both strong positive and negative charges
No strong charge
Strong negative charge
Strong positive charge
What does the color-coded bar in the simulation represent?
Charge distribution
Electron density
Electronegativity
Atomic number
What does adjusting the electronegativity sliders in the simulation help to demonstrate?
Reaction rates
Atomic mass differences
Chemical stability
Types of chemical bonds
11-15.
Answer the questions below after watching the video
What happens to the electron from sodium during the formation of sodium chloride?
It is shared with chlorine
It remains with sodium
It is transferred to chlorine
It is destroyed
What type of bond is formed between sodium and chlorine in sodium chloride?
Covalent bond
Hydrogen bond
Metallic bond
Ionic bond
How many electrons does magnesium transfer to oxygen in the formation of magnesium oxide?
One
Two
Four
Three
In the formation of calcium chloride, how many chloride ions are formed?
Four
Three
Two
One
Why do ionic compounds have an overall neutral charge?
Because charges are fully balanced
Because the number of protons changes
Because they contain equal numbers of electrons and protons
Because electrons are destroyed
16-25.
Answer the questions below after watching the video
What is the primary reason atoms form bonds?
To increase their energy levels
To reduce their overall energy
To create new elements
To become more positive or negative
What is the bond length?
The distance at which atoms are most reactive
The maximum distance between two bonded atoms
The distance at which the energy between two atoms is at its minimum
The length of a molecule
What type of bond is formed when electrons are shared evenly between atoms?
Ionic bond
Metallic bond
Polar covalent bond
Non-polar covalent bond
What determines the polarity of a molecule?
The size of the molecule
The shape of the molecule
The number of electrons in the molecule
The separation of charges within the molecule
What does electronegativity measure?
The length of a bond
The strength with which an atom holds shared electrons
The polarity of a molecule
The energy required to form a bond
Which bond is formed by the transfer of electrons from one atom to another?
Hydrogen bond
Metallic bond
Ionic bond
Covalent bond
What is Coulomb's law used for in chemistry?
Determining the bond length in molecules
Calculating the energy in an ionic bond
Determining the electronegativity of elements
Calculating the energy in a covalent bond
What is the significance of the negative number in the energy calculation of a bond?
It indicates a decrease in system energy due to attraction
It indicates a decrease in system energy due to repulsion
It signifies an increase in energy
It signifies an unstable bond
What property of ionic compounds allows them to conduct electricity when dissolved in water?
The separation of ions
Their high melting points
The covalent nature of their bonds
Their crystalline structure
Why are covalent compounds often not soluble in water?
Because they are gases at room temperature
Because of their high melting points
Because they do not conduct electricity
Because of their non-polar nature
How many VALENCE ELECTRONS does Chlorine have?
2
7
8
10
17
Ionic bonds are formed when electrons get
Shared between two atoms
Removed from both atoms
Transferred from one atom to another
Added to both atoms
Cations _______ electrons, becoming _______ charged.
Gain; positively (+)
Gain; negatively (-)
Lose; positively (+)
Lose; negatively (-)
Anions ____ electrons, becoming _____ charged.
Gain; positively (+)
Gain; negatively (-)
Lose; positively (+)
Lose; negatively (-)
Potassium and Sulfur create...
KS
KS2
K2S
K2S2
How do potassium and nitrogen bond together?
Al3+ O2-
Mg and O will bond to make...
Mg2O3
MgO2
MgO
Mg2O
What is the formula for copper(I) and sulfate?
CuSO3
CuSO4
Cu2SO3
Cu2SO4
SO4 -2 and Al +3
barium (II) sulfide
V(CO3)3
V4CO3
V2(CO3)4
FePO4
iron phosphate
iron (I) phosphate
iron (III) phosphate
iron (II) phosphite
iron (IV) phosphite
CuS
copper sulfide
copper (I) sulfide
copper (II) sulfide
copper (I) sulfate
copper (II) sulfite
calcium (II) phosphate
copper (II) carbonate
copper (I) carbonate
copper (III) carbon oxide
dicopper (I) monocarbonate
beryllium (II) chloride
beryllium (I) chloride
Na7O
Nickel (II) hydroxide
NiOH2
NiOH
Ni(OH)2
NiO2
NiH2
When lithium and oxygen bond the formula is
LiO
OiL
Li2O
LiO2
OLi2
Aluminum fluoride
AlF
Al7F3
Al3F
AlF3
Strontium nitride
SrN
Sr3N2
Sr2N3
N3Sr2
Sr(NO2)2
