10.34.T - Lesson Review: Comparing Ionic & Covalent Bonds / Naming Compounds

Question 1

The electrons of carbon and hydrogen are _____________ in this molecule of methane.

charged
shared
transferred
donated

Answer 1

shared

Question 2

The strong crystal structure of an ionic compound is one of the main reasons why ionic compounds have a __________ melting point.
low
high
moderate
variable

Answer 2

high

Question 3

Covalent compounds share ____________.

Answer 3

electrons

Question 4

You may use your periodic table for this question.

Copper fluoride ( CuF2)
) is a/an _______________ molecule.

covalent
structural
ionic
electric

Answer 4

ionic

Question 5

You may use your periodic table for this question.

Sodium chloride (NaCl) has a/an ________________.

elemental bond
covalent bond
sharing bond
ionic bond

Answer 5

ionic bond

Question 6

What is a substance made up of two or more elements that are joined together by a chemical bond?
atomic formula
compound
mixture
covalent bond
ionic bond
nuclear formula

Answer 6

compound

Question 7

Nonmetals take __________ from the metals they are attracted to.
all of the answers are correct
neutrons
protons
electrons

Answer 7

electrons

Question 8

You may use your periodic table for this question.

Water (H2O
) is a/an _______________ compound.

covalent
covenant
elemental
ionic

Answer 8

covalent

Question 9

What is the correct name for the compound with the formula Mg3N2? (You can use your periodic table of ions.)
trimagnesium dinitride
magnesium nitride
magnesium nitrogen
trimagnesium dinitrogen

Answer 9

magnesium nitride

Question 10

Which is the correct formula for dinitrogen trisulfide? (You can use your periodic table of ions.)
N3S2
N3S3
NS2
N2S3

Answer 10

N2S3

Question 11

What is the correct formula for phosphate? (You can use your periodic table of ions.)
PO4
Ph
PO2
PhS

Answer 11

PO4

Question 12

What is the correct name for the ionic compound MgCl2? (You can use your periodic table of ions.)
magnesium chloride
magnesium dichloride
manganese dichloride
manganese chloride

Answer 12

magnesium chloride

Question 13

What is the correct name for the compound with the formula P3N4? (You can use your periodic table of ions.)
triphosphorus tetranitride
triphosphorus tetranitrate
diphosphorus tetranitrate
tetraphosphorus trinitrate

Answer 13

triphosphorus tetranitride

Question 14

What is the correct formula for calcium phosphate? (You can use your periodic table of ions.)
Ca3(PO4)3
Ca3(PO4)2
Ca3(PO4)
Ca2(PO4)2

Answer 14

Ca3(PO4)2

Question 15

Which formulas and their respective names match? (You can use your periodic table of ions.)

I) Li3N - lithium nitride

II) H2S - hydrogen sulfite

III) SO2 - sulfur dioxide

IV) AlF3 - aluminum trifluoride
I and III
II and IV
I, II, and III
I and II

Answer 15

I and III

Question 16

Lithium is a metal with an oxidation number of 1+ and oxygen is a nonmetal with an oxidation number of 2-. Which chemical formula represents the compound formed by these two elements? (You can use your periodic table of ions.)
Li3O
LiO2
Li2O
LiO

Answer 16

Li2O

Question 17

What is an ionic bond? Give an example of an ionic compound. Please respond in 1–2 complete sentences using your best grammar.

Answer 17

Your Answer:
An ionic bond is a metal and a nonmetal being combined into a compound. An example of this is Magnesium oxide.

Question 18

What is a covalent bond? Give an example of a covalent compound. Please respond in 1–2 complete sentences using your best grammar.

Answer 18

Your Answer:
A covalent bond is a nonmetal being combined with another nonmetal. An example of this is dinitrogen trisulfide.