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Lewis dot drawing and naming review

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

KBr

a)

ionic potassium bromide

b)

covalent potassium bromide

c)

ionic potassium monobromide

d)

covalent potassium monobromide

2.

CO2

a)

ionic carbon oxide

b)

covalent carbon oxide

c)

ionic carbon dioxide

d)

covalent carbon dioxide

3.

PbI2

a)

ionic lead diiodide

b)

covalent lead diiodide

c)

ionic lead iodide

d)

covalent lead iodide

4.

MgO

a)

ionic magnesium monoxide

b)

covalent magnesium monoxide

c)

ionic magnesium oxide

d)

covalent magnesium oxide

5.

PCl3

a)

ionic phosphorous trichloride

b)

covalent phosphorous trichloride

c)

Ionic phosphorous chloride

d)

Covalent phosphorous chloride

6.

CBr4

a)

ionic carbon bromide

b)

covalent carbon bromide

c)

ionic carbon tetrabromide

d)

covalent carbon tetrabromide

7.

CaF2

a)

ionic calcium fluoride

b)

covalent calcium fluoride

c)

ionic calcium difluoride

d)

covalent calcium difluoride

8.

N2S4

a)

ionic dinitrogen tetrasulfide

b)

covalent dinitrogen tetrasulfide

c)

ionic nitrogen sulfide

d)

covalent nitrogen sulfide

9.

SiO2

a)

ionic silicon oxide

b)

covalent silicon oxide

c)

ionic silicon dioxide

d)

covalent silicon dioxide

10.

Li2S

a)

ionic lithium sulfide

b)

covalent lithium sulfide

c)

ionic dilithium sulfide

d)

covalent dilithium sulfide

11.

CsI

a)

ionic cesium monoiodide

b)

covalent cesium monoiodide

c)

ionic cesium iodide

d)

covalent cesium iodide

12.

SrCl2

a)

ionic strontium chloride

b)

covalent strontium chloride

c)

ionic strontium dichloride

d)

covalent strontium dichloride

13.

N2F4

a)

ionic dinitrogen tetrafluoride

b)

covalent dinitrogen tetrafluoride

c)

ionic nitrogen fluoride

d)

covalent nitrogen fluoride

14.

SeCl2

a)

ionic selenium dichloride

b)

covalent selenium dichloride

c)

ionic selenium chloride

d)

covalent selenium chloride

15.

BaBr2

a)

ionic barium dibromide

b)

covalent barium dibromide

c)

ionic barium bromide

d)

covalent barium bromide

16.

Fe2O3

a)

ionic ferric oxide

b)

covalent ferric oxide

c)

ionic diferric trioxide

d)

covalent diferric trioxide

17.

P2S5

a)

ionic phosphorous sulfide

b)

covalent phosphorous sulfide

c)

ionic diphosphorous pentasulfide

d)

covalent diphosphorous pentasulfide

18.

sodium sulfide

a)

NaS

b)

NaS2

c)

Na2S

d)

Na2S2

19.

magnesium sulfate

a)

MgS

b)

MgS2

c)

MgSO4

d)

MgSO6

20.

dinitrogen tetrasulfide

a)

N2S4

b)

N2S3

c)

N2SO4

d)

NS

21.

dihydrogen monoxide

a)

HO

b)

H2O

c)

H2O2

d)

HO2

22.

copper (II) chloride

a)

CuCl

b)

Cu2Cl

c)

CuCl2

d)

CuC

23.

disulfur hexachloride

a)

S2Cl6

b)

S2Cl7

c)

SCl

d)

S6Cl2

24.

potassium sulfide

a)

KS

b)

KS2

c)

K2S

d)

KS3

25.

Fe2O3

What is the name of the compound whose formula is shown above?

a)

iron (III) oxide

b)

iron (I) oxide

c)

iron (II) oxide

d)

iron (IV) oxide

26.

What is the correct formula for sodium sulfite?

a)

NaS

b)

Na2SO3

c)

Na2SO4

d)

Na(SO4)2

27.

PbS2

What is the name of the compound whose formula is shown above?

a)

lead (II) sulfide

b)

lead (IV) sulfide

c)

lead (III) sulfide

d)

lead (I) sulfide

28.

What is the correct formula for aluminum phosphide?

a)

Al2(PO4)3

b)

AlPO3

c)

AlPO4

d)

AlP

29.

. Which structure below represents potassium bromide (KBr) correctly?

a)
b)
c)
d)
30.

Which Lewis dot diagram has been constructed to accurately depict oxygen gas (O2)?

a)
b)
c)
d)
31.

Which Lewis dot diagram below best represents calcium chloride (CaCl2)?

a)
b)
c)
d)
32.

Which Lewis dot diagram accurately depicts boron trihydride (BH3)?

a)
b)
c)
d)
33.

Which Lewis dot diagram below best represents potassium cyanide?

a)
b)
c)
d)
34.

Which Lewis dot diagram has been constructed to accurately depict fluorine gas?

a)
b)
c)
d)
35.

Which Lewis dot diagram below best represents carbon monoxide (CO)?

a)
b)
c)
d)
36.

Which element id happy with 6 electrons?

a)

B

b)

C

c)

O

d)

S

37.

Which element is happy with 10 electrons?

a)

F

b)

Cl

c)

Br

d)

P

38.

Which structure below represents lithium chloride (LiCl) correctly?

a)
b)
c)
d)
39.

Which structure below represents formaldehyde (CH2O) correctly?

a)
b)
c)
d)
40.

Which Lewis dot diagram has been constructed to accurately depict nitrogen gas (N2)?

a)
b)
c)
d)
41.

Which Lewis dot diagram below best represents magnesium fluoride (MgF2)?

a)
b)
c)
d)
42.

Which Lewis dot diagram is the best representation of potassium nitrite (KNO2)?

a)
b)
c)
d)
43.

Carbon dioxide is a compound that forms with the combustion of carbon in the presence of oxygen. Electron-dot formulas are used to model the bonds that form. Which of these is the electron-dot formula for carbon dioxide?

a)
b)
c)
d)
44.

What are Ionic Compounds made of:

a)

Metal + Non-metal

b)

2 Non-metals

45.

what are covalent compounds made of?

a)

Metal + non metal

b)

2 non-metals

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