Elements & The Periodic Table

Front

What is the variable that is changed in an experiment?

Back

The independent variable.

Front

Why are models used to study atoms?

Back

Because atoms are very small.

Front

What is the smallest particle of an element that retains the chemical properties of that element?

Back

An atom of that element.

Front

What subatomic particles are found in the nucleus of an atom?

Back

Protons and neutrons.

Front

How is the Periodic Table of elements arranged?

Back

According to an element's properties.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are protons?

Back

Positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom of that element.