Atoms and the Periodic Table

Front

What does the atomic number represent?

Back

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

Front

What are the basic building blocks of matter?

Back

Atoms are the basic building blocks of matter.

Front

What is found on the Periodic Table?

Back

Elements are found on the Periodic Table.

Front

What is the chemical symbol for Sodium?

Back

The chemical symbol for Sodium is Na.

Front

In which period is Sodium (Na) located on the Periodic Table?

Back

Sodium (Na) is located in Period 3.

Front

How many protons are in one atom of Nitrogen?

Back

There are 7 protons in one atom of Nitrogen.

Front

What is the atomic mass of an element?

Back

The atomic mass is the weighted average mass of an element's isotopes.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms.