PERIODIC TABLE

Front

What are the vertical columns in the Periodic Table called?

Back

Groups

Front

How is the Modern Periodic Table of Elements arranged?

Back

By atomic number

Front

What does the number 12.011 represent in the Periodic Table?

Back

Atomic mass

Front

What does the atomic number indicate?

Back

The number of protons in an atom

Front

What are the horizontal rows in the Periodic Table called?

Back

Periods

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of groups in the Periodic Table?

Back

Elements in the same group have similar chemical properties.

Front

What is the difference between atomic mass and atomic number?

Back

Atomic mass is the average mass of an element's isotopes, while atomic number is the number of protons.

Front

What information can you find in a Periodic Table?

Back

Element names, symbols, atomic numbers, and atomic masses.

Front

What is a chemical symbol?

Back

A one or two-letter abbreviation for an element.