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Worksheets

Chemistry Honors

Total questions: 20

Worksheet time: 27mins

Name
Class
Date
1.
a)
b)
c)
2.

 What is the coefficient of  2CH4?2CH_4?  

a)

2

b)

4

3.

What is the subscript in  3CaCl23CaCl_2  

a)

3

b)

Ca

c)

2

d)

Cl

4.

 Mg(CN)+(NH4)ClMg\left(CN\right)+\left(NH_4\right)Cl 

 How would you rewrite this equation to balnce it.

a)

 MgCl+(NH4)(CN)MgCl+\left(NH_4\right)\left(CN\right)  

b)

 MgCl+(NH)(CN)MgCl+\left(NH\right)\left(CN\right)  

c)

 MgCl+(CN)(NH4)MgCl+\left(CN\right)\left(NH_4\right)  

5.

What is the charge of Mg?

a)

+1

b)

3

c)

-2

d)

2

6.

What is the charge of S?

a)

0

b)

+1

c)

-2

d)

-1

7.

Which of these is a formula for a covalent bond? (SELECT 2)

a)

Nonmetal+Nonmetal

b)

Metal+Metalloid

c)

Nonmetal+Metal

d)

Metalloid+Nonmetal

8.

Which of these is an ionic bond?

a)

Nonmetal+Nonmetal

b)

Metal+Nonmetal

c)

Metalloid+Metalloid

d)

Metal+Metal

9.

Which of these is a metallic bond

a)

Metal + Metal

b)

Metal + Non-metal

c)

Non-metal + Non-metal

10.

What type of bond is  k2Ok_2O  

a)

Covalent

b)

Ionic

c)

Metallic

11.

Which is a metalloid

a)

H

b)

Li

c)

Si

d)

Zr

12.

which is a nonmetal?

a)

Li

b)

Be

c)

Ge

d)

Cl

13.

Which is a metal?

a)

H

b)

N

c)

Cl

d)

V

14.

Identify if the lewis dot structure is polar or nonpolar.

a)

Polar

b)

Nonpolar

15.

Identify if the lewis dot structure is polar or nonpolar.

a)

Nonpolar

b)

polar

16.

What is the value of x

  Cl1XCl^{-1}X  

a)

0

b)

4

c)

100000000000000000000000000

d)

1

17.

   ZnS +  HCI  ZnCl  +H  S\ \ ZnS\ +\ \ HCI\ \longrightarrow\ ZnCl\ \ +H\ \ S  

a)

   5ZnS +  2HCI  4ZnCl  +H4  S\ \ 5ZnS\ +\ \ 2HCI\ \longrightarrow\ 4ZnCl\ \ +H_4\ \ S  

b)

   2ZnS +  2HCI  ZnCl2  +H2S\ \ 2ZnS\ +\ \ 2HCI\ \longrightarrow\ ZnCl_2\ \ +H_2S  

c)

   2ZnS +  2HCI  ZnCl2  +H3S\ \ 2ZnS\ +\ \ 2HCI\ \longrightarrow\ ZnCl_2\ \ +H_3S  

18.

 Ca3P is what type of bondCa_3P\ is\ what\ type\ of\ bond  

a)

polar

b)

ionic

c)

non-polar

d)

metallic

19.

 X(No3)3X\left(No_3\right)_3  what is the charge of X

a)

0

b)

-1

c)

-3

d)

+3

20.

Is this polar or nonpolar?

a)

Polar

b)

Nonpolar