Atomic Numbers (multiple choice)

Front

What is the atomic number for Hydrogen?

Back

1

Front

What is the atomic number for Helium?

Back

2

Front

What is the atomic number for Sodium?

Back

11

Front

What is the atomic number for Oxygen?

Back

8

Front

What is the atomic number for Chlorine?

Back

17

Front

Define atomic number.

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

How does the atomic number relate to the periodic table?

Back

Elements are arranged in the periodic table in order of increasing atomic number.

Front

What is the significance of the atomic number in determining an element's properties?

Back

The atomic number determines the number of electrons in a neutral atom, influencing its chemical behavior.

Front

Which element has an atomic number of 6?

Back

Carbon.

Front

What is the atomic number of Nitrogen?

Back

7.