02b - Atomic Number and Atomic Mass

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

How do you calculate the number of neutrons in an atom?

Back

Number of neutrons = Mass number - Atomic number.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

Front

What is the atomic number of Carbon?

Back

6

Front

What is the atomic number of Oxygen?

Back

8

Front

How many protons does a neutral atom of Sodium have?

Back

11

Front

What is the atomic number of Iron?

Back

26

Front

What is the atomic number of Gold?

Back

79

Front

How many electrons does a neutral atom of Argon have?

Back

18

Front

What is the atomic number of Chlorine?

Back

17