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Worksheets

Language of chemistry

Total questions: 90

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

What is the valency of lead ?

a)

1,2

b)

5,7

c)

2,4

d)

1,4

2.

True or False: Law of conservation of energy states that matter can neither be created nor destroyed

a)

True

b)

False

3.

The valency of Chlorine in AlCl3 is

a)

1

b)

3

c)

2

4.

The molecular formula for Ammonium carbonate is

a)

(NH4 )2CO3

b)

(NH4 )CO3

c)

(NH4 )2CO

5.

What is the name of 13th element

(a)  

6.

Formula of baking soda

a)

NaHCO3

b)

Nacl

c)

H2SO4

7.

How many valence electrons are in an atom of Ar?

a)

2

b)

8

c)

4

d)

1

8.
valency of chloride ion is
a)
0
b)
+1
c)
-1
d)
2
9.

What is the molecular formula of acetic acid

(a)  

10.

sugar formula ?

a)

K2CO3

b)

Na3PO4

c)

C12H22O11

11.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
12.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
13.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

14.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

15.
nitrate ion contains 
a)
nitrogen and oxygen
b)
Nitrogen only
c)
Nitrogen ,hydrogen and oxygen
d)
Sodium and nitrogen
16.

What is the valency of lead ?

a)

1,2

b)

5,7

c)

2,4

d)

1,4

17.

True or False: Law of conservation of energy states that matter can neither be created nor destroyed

a)

True

b)

False

18.

The valency of Chlorine in AlCl3 is

a)

1

b)

3

c)

2

19.

The molecular formula for Ammonium carbonate is

a)

(NH4 )2CO3

b)

(NH4 )CO3

c)

(NH4 )2CO

20.

What is the name of 13th element

(a)  

21.

Formula of baking soda

a)

NaHCO3

b)

Nacl

c)

H2SO4

22.

How many valence electrons are in an atom of Ar?

a)

2

b)

8

c)

4

d)

1

23.
valency of chloride ion is
a)
0
b)
+1
c)
-1
d)
2
24.

What is the molecular formula of acetic acid

(a)  

25.

sugar formula ?

a)

K2CO3

b)

Na3PO4

c)

C12H22O11

26.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
27.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
28.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

29.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

30.
nitrate ion contains 
a)
nitrogen and oxygen
b)
Nitrogen only
c)
Nitrogen ,hydrogen and oxygen
d)
Sodium and nitrogen
31.

What is the valency of lead ?

a)

1,2

b)

5,7

c)

2,4

d)

1,4

32.

True or False: Law of conservation of energy states that matter can neither be created nor destroyed

a)

True

b)

False

33.

The valency of Chlorine in AlCl3 is

a)

1

b)

3

c)

2

34.

The molecular formula for Ammonium carbonate is

a)

(NH4 )2CO3

b)

(NH4 )CO3

c)

(NH4 )2CO

35.

What is the name of 13th element

(a)  

36.

Formula of baking soda

a)

NaHCO3

b)

Nacl

c)

H2SO4

37.

How many valence electrons are in an atom of Ar?

a)

2

b)

8

c)

4

d)

1

38.
valency of chloride ion is
a)
0
b)
+1
c)
-1
d)
2
39.

What is the molecular formula of acetic acid

(a)  

40.

sugar formula ?

a)

K2CO3

b)

Na3PO4

c)

C12H22O11

41.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
42.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
43.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

44.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

45.
nitrate ion contains 
a)
nitrogen and oxygen
b)
Nitrogen only
c)
Nitrogen ,hydrogen and oxygen
d)
Sodium and nitrogen
46.

What is the valency of lead ?

a)

1,2

b)

5,7

c)

2,4

d)

1,4

47.

True or False: Law of conservation of energy states that matter can neither be created nor destroyed

a)

True

b)

False

48.

What is the valency of lead ?

a)

1,2

b)

5,7

c)

2,4

d)

1,4

49.

True or False: Law of conservation of energy states that matter can neither be created nor destroyed

a)

True

b)

False

50.

The valency of Chlorine in AlCl3 is

a)

1

b)

3

c)

2

51.

The molecular formula for Ammonium carbonate is

a)

(NH4 )2CO3

b)

(NH4 )CO3

c)

(NH4 )2CO

52.

What is the name of 13th element

(a)  

53.

Formula of baking soda

a)

NaHCO3

b)

Nacl

c)

H2SO4

54.

How many valence electrons are in an atom of Ar?

a)

2

b)

8

c)

4

d)

1

55.
valency of chloride ion is
a)
0
b)
+1
c)
-1
d)
2
56.

What is the molecular formula of acetic acid

(a)  

57.

sugar formula ?

a)

K2CO3

b)

Na3PO4

c)

C12H22O11

58.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
59.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
60.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

61.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

62.
nitrate ion contains 
a)
nitrogen and oxygen
b)
Nitrogen only
c)
Nitrogen ,hydrogen and oxygen
d)
Sodium and nitrogen
63.

The valency of Chlorine in AlCl3 is

a)

1

b)

3

c)

2

64.

The molecular formula for Ammonium carbonate is

a)

(NH4 )2CO3

b)

(NH4 )CO3

c)

(NH4 )2CO

65.

What is the valency of lead ?

a)

1,2

b)

5,7

c)

2,4

d)

1,4

66.

True or False: Law of conservation of energy states that matter can neither be created nor destroyed

a)

True

b)

False

67.

The valency of Chlorine in AlCl3 is

a)

1

b)

3

c)

2

68.

The molecular formula for Ammonium carbonate is

a)

(NH4 )2CO3

b)

(NH4 )CO3

c)

(NH4 )2CO

69.

What is the name of 13th element

(a)  

70.

Formula of baking soda

a)

NaHCO3

b)

Nacl

c)

H2SO4

71.

How many valence electrons are in an atom of Ar?

a)

2

b)

8

c)

4

d)

1

72.
valency of chloride ion is
a)
0
b)
+1
c)
-1
d)
2
73.

What is the molecular formula of acetic acid

(a)  

74.

sugar formula ?

a)

K2CO3

b)

Na3PO4

c)

C12H22O11

75.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
76.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
77.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

78.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

79.
nitrate ion contains 
a)
nitrogen and oxygen
b)
Nitrogen only
c)
Nitrogen ,hydrogen and oxygen
d)
Sodium and nitrogen
80.
nitrate ion contains 
a)
nitrogen and oxygen
b)
Nitrogen only
c)
Nitrogen ,hydrogen and oxygen
d)
Sodium and nitrogen
81.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

82.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

83.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
84.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
85.

sugar formula ?

a)

K2CO3

b)

Na3PO4

c)

C12H22O11

86.

What is the molecular formula of acetic acid

(a)  

87.
valency of chloride ion is
a)
0
b)
+1
c)
-1
d)
2
88.

How many valence electrons are in an atom of Ar?

a)

2

b)

8

c)

4

d)

1

89.

Formula of baking soda

a)

NaHCO3

b)

Nacl

c)

H2SO4

90.

What is the name of 13th element

(a)  

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