s3 atomic structure

Front

What is the atomic number of an element?

Back

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

Front

What is the mass number of an element?

Back

The mass number is the total number of protons and neutrons 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 are the three main subatomic particles?

Back

The three main subatomic particles are protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Protons carry a positive charge.

Front

What charge do neutrons carry?

Back

Neutrons carry no charge (they are neutral).

Front

What charge do electrons carry?

Back

Electrons carry a negative charge.

Front

Where are protons and neutrons located in an atom?

Back

Protons and neutrons are located in the nucleus of an atom.

Front

Where are electrons located in an atom?

Back

Electrons are located in the electron cloud surrounding the nucleus.

Front

What is the significance of the atomic number in the periodic table?

Back

The atomic number determines the position of an element in the periodic table and its chemical properties.