Structure of an ATOM 2.0

Front

What is the atomic number of an atom?

Back

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

Front

How many protons does an atom with atomic number 6 have?

Back

6 protons.

Front

What is the nucleus of an atom made of?

Back

The nucleus is made of protons and neutrons.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).

Front

What occupies most of the space in an atom?

Back

Most of the atom is filled with empty space.

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, the number of protons equals the number of electrons.

Front

What is an electron?

Back

An electron is a negatively charged particle that orbits the nucleus of an atom.

Front

What is the mass of a proton compared to an electron?

Back

A proton is much heavier than an electron.

Front

What is the role of neutrons in the nucleus?

Back

Neutrons help stabilize the nucleus by reducing repulsion between protons.