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Chemistry:  Atomic Number and Mass Number

 

Complete the following chart and answer the questions below.

 

Element

Name

Atomic

Number

Number of

Protons

Number of

Neutrons

Mass Number

carbon

 

 

 

12

 

8

 

8

 

hydrogen

 

 

 

1

 

 

6

 

14

hydrogen

 

 

2

 

nitrogen

 

 

 

14

 

 

 

1

2

 

92

 

146

 

cesium

 

 

82

 

 

11

 

12

 

 

 

47

 

108

tungsten

 

 

110

 

 

 

 

45

80

 

 

24

 

52

 

 

 

89

152

silver

 

 

 

107

 

76

 

114

 

 

How are the atomic number and the number of protons related to each other?

 

 

How do the number of protons, number of neutrons, and the mass number relate to each other?

 

 

What is the one thing that determines the identity of an atom (that is, whether it is an oxygen atom or a carbon atom, etc.)?