Atomic Structure

Front

What is the term for the combined number of protons and neutrons in an atom?

Back

Mass Number

Front

Which particles are found in the nucleus of an atom?

Back

Protons and Neutrons

Front

What happens to the mass of the nucleus when a neutron is added?

Back

The mass of the nucleus increases.

Front

How are elements arranged in the modern periodic table?

Back

By atomic number.

Front

What is the atomic number of an atom with 3 protons?

Back

3

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of a neutron?

Back

No charge (neutral).

Front

What is the charge of an electron?

Back

Negative charge.

Front

What is the term for the number of protons in the nucleus of an atom?

Back

Atomic Number

Front

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

Back

It determines the identity of the element.