#1
Which type of bond is formed by the transfer of electrons from one atom to another?
Covalent bond
Metallic bond
Ionic bond
Hydrogen bond
#2
In an ionic bond, what happens to the electron(s)?
They are shared equally between atoms
They are transferred from a metal to a nonmetal
They are shared unequally between atoms
They remain with the original atom
#3
What is the charge of the ion typically formed by oxygen?
#4
Which of the following elements is most likely to form an ionic bond with chlorine?
Carbon
Sodium
Phosphorus
Silicon
#5
What is the electron configuration of the ion formed when potassium achieves a noble gas electron configuration?
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6
1s2 2s2 2p6 3s2 3p6 4s1
1s2 2s2 2p6 3s2
#6
How many electrons does aluminum need to lose to achieve a stable electron configuration?
#7
What is the principle behind the formation of ionic bonds according to the octet rule?
Atoms share electrons to achieve a noble gas configuration
Atoms lose or gain electrons to have eight electrons in their outer shell
Atoms always lose electrons to become positively charged
Atoms always gain electrons to fill their valence shells
#8
Which of the following compounds is NOT likely to form an ionic bond?
#9
What is the formula unit of magnesium chloride?
#10
The lattice energy of an ionic compound is a measure of
the energy required to vaporize the ionic compound
the energy released when the ionic compound is formed from its ions
the energy required to break the ionic bond
the energy required to form the ionic bond from neutral atoms
#11
Which property is NOT a characteristic of ionic compounds?
High melting points
Poor conductivity in solid state
Formation from two nonmetals
Solubility in water
#12
The ionic bond between which of the following pairs of elements will have the highest lattice energy?
#13
Which of the following is a correct representation of the ionic formula for calcium phosphate?
Ca3(PO4)2
Ca(PO4)2
Ca2PO4
CaPO4
#14
Which factor does not directly influence the strength of the ionic bond?
Charge of the ions
Radius of the ions
Temperature of the environment
Number of electrons transferred
#15
Which statement about ionic compounds is true?
They have high melting points
They are good conductors of electricity in solid state
They are usually gases at room temperature
They cannot dissolve in water
#16
In the formation of an ionic compound from magnesium and nitrogen, what is the formula of the compound?