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Worksheets

Unit 3: Connection (Level IV)

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the charge of nitrate?

a)

-1

b)

-2

c)

0

d)

1

e)

3

2.

What is the correct formula for potassium sulfide?

a)

K2S

b)

KS2

c)

KS

d)

K3S

3.

Which of the following formulas would you EXPECT if Ra and N formed a compound?

a)

RaN

b)

Ra3N2

c)

Ra2N3

d)

Ra2N

4.

Name the following compound: NaNO3

a)

sodium nitrate

b)

sodium nitrite

c)

nadium nitrate

d)

nadium nitrite

5.

Name the following compound: FeBr2

a)

iron(I) bromide

b)

iron(II) bromide

c)

iron(III) bromide

d)

iron(IV) bromide

6.

Given that the formula for a compound is XF2, which of the following elements could NOT be X?

a)

Mg

b)

Ca

c)

Ra

d)

Fr

7.

Given that the formula for a compound is CaX, which of the following elements, or ions, could be X?

a)

SO3

b)

NO3

c)

Br

d)

N

8.

Name the following compound: FeBr

a)

iron(I) bromide

b)

iron(II) bromide

c)

iron(III) bromide

d)

iron(IV) bromide

9.

Which of the following elements do NOT use the stock system?

a)

Mn

b)

Zn

c)

Os

d)

I

10.

Given that MnO2, what is the charge on Mn?

a)

+1

b)

+2

c)

+3

d)

+4

11.

Name the following: LiCN

a)

lithium carbon nitride

b)

lithium cyanide

c)

lithium carbide

d)

lithium nitride

12.

Which of the following formulas would you EXPECT if NH4 and P formed a compound?

a)

(NH4)3P

b)

NH4P

c)

NH12P

d)

(NH4)2P

13.

In a Lewis dot structure, what do the dots stand for?

a)

Core Electrons

b)

Valence Electrons

c)

Protons

d)

Neutrons

14.

Which of the following compounds are NOT possible?

a)

CaCl

b)

KBr

c)

MgS

d)

LiF

15.

Name the following: BaS

a)

barium sulfate

b)

barium sulfide

c)

barium sulfite

d)

barium sulfur