Unit 4: Periodic Table

Front

What is the Periodic Law?

Back

The Periodic Law states that the properties of the elements vary with their atomic numbers in a periodic way.

Front

What are the horizontal rows of the Periodic Table called?

Back

Periods.

Front

Which element is classified as an alkaline earth metal?

Back

Calcium.

Front

What are Group 18 elements known as?

Back

Noble Gases.

Front

What is the classification of Gold (Au)?

Back

Transition Metal.

Front

What is the atomic number of Calcium?

Back

20.

Front

What are the vertical columns of the Periodic Table called?

Back

Groups.

Front

What is the main characteristic of Noble Gases?

Back

They are unreactive nonmetals with a full outer energy level.

Front

What is the atomic symbol for Gold?

Back

Au.

Front

Which group contains the most reactive metals?

Back

Alkali Metals (Group 1).