Front

What are the horizontal rows in the Periodic Table called?

Back

Periods

Front

Where are the Non-Metals mostly located in the Periodic Table?

Back

Right side

Front

What does each box on the Periodic Table represent?

Back

One atom of that element

Front

What does the number 12.011 represent in the Periodic Table?

Back

Atomic mass

Front

How is the Modern Periodic Table of Elements arranged?

Back

By atomic number

Front

What are the vertical columns in the Periodic Table called?

Back

Groups

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a chemical symbol?

Back

A one or two-letter abbreviation for an element.

Front

What is the significance of the atomic mass?

Back

It represents the average mass of an atom of an element.

Front

What are metalloids?

Back

Elements that have properties of both metals and non-metals.