Atoms and the Periodic Table

Front

What is the smallest unit of a substance, such as a bar of gold?

Back

Atom

Front

What are the three main types of subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What charge does a proton carry?

Back

Positive charge

Front

What charge does an electron carry?

Back

Negative charge

Front

What charge does a neutron carry?

Back

Neutral charge

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus

Front

What is the periodic table?

Back

A tabular arrangement of elements based on their atomic number and properties.

Front

What do elements in the same group of the periodic table have in common?

Back

They have similar properties.

Front

Which group contains the most reactive metals?

Back

The far left of the periodic table (Alkali metals).

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.