Basics of the Periodic Table

Front

What is the atomic number of Krypton?

Back

The atomic number of Krypton is 36.

Front

How many neutrons does an atom of Krypton have?

Back

An atom of Krypton has 48 neutrons.

Front

Which group on the periodic table contains the most reactive metals?

Back

Group 1 contains the most reactive metals.

Front

How many electrons can be found in the second energy level (ring) of an atom?

Back

Up to 8 electrons can be found in the second energy level.

Front

Where are metalloids located on the periodic table?

Back

Metalloids are located along the stairs on the periodic table.

Front

How many electrons can be found in the third energy level (ring) of an atom?

Back

Up to 8 electrons can be found in the third energy level.

Front

What are the main categories of elements on the periodic table?

Back

The main categories are metals, nonmetals, and metalloids.

Front

What is the significance of the periodic table's arrangement?

Back

The arrangement of the periodic table reflects the atomic structure and properties of elements.

Tags

NGSS.HS-PS1-1

Front

What is a period in the context of the periodic table?

Back

A period is a horizontal row of elements in the periodic table.

Front

What is a group in the context of the periodic table?

Back

A group is a vertical column of elements in the periodic table.