Elements Quick Check

Front

An element's atomic number is the same as the number of ____________.

Back

protons

Front

Which subatomic particles are located in the nucleus of an atom?

Back

protons and neutrons

Front

Which element is atomic number 7?

Back

Nitrogen

Front

Which elements does the chemical symbol 'K' represent?

Back

Potassium

Front

What is the center of an atom called?

Back

nucleus

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What charge do protons carry?

Back

Positive charge

Front

What charge do electrons carry?

Back

Negative charge

Front

What is the mass of a neutron compared to a proton?

Back

Approximately the same

Front

What is the chemical symbol for Oxygen?

Back

O