Atomic Models and Theories Extra

Front

Electrons travel in fixed orbits around the nucleus of the atom, like planets around the sun.

Back

This model of the atom was proposed by Niels Bohr, known as the Bohr model.

Front

Where is the mass of the atom primarily located?

Back

The mass of the atom is primarily located in the nucleus.

Front

Why is an atom considered neutral?

Back

An atom is neutral because the number of protons equals the number of electrons.

Front

What is the nucleus of an atom made of?

Back

The nucleus is made of protons and neutrons.

Front

What is a scientific law?

Back

A statement about how things happen in nature that seems to be true all the time.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the electron cloud?

Back

The electron cloud is the region around the nucleus where electrons are likely to be found.

Front

What is the atomic number?

Back

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