Basics of the Periodic Table

Front

What is the maximum number of electrons that can occupy the 1st energy level (ring)?

Back

2

Front

What is the maximum number of electrons that can occupy the 2nd energy level (ring)?

Back

8

Front

What is the maximum number of electrons that can occupy the 3rd energy level (ring)?

Back

8

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in chemical bonding.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is the significance of valence electrons in chemical reactions?

Back

They determine how an atom can bond with other atoms.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS1-4

Front

Where are nonmetals located on the periodic table?

Back

To the right of the stairs (stair-step line).

Front

What are metalloids and where are they located on the periodic table?

Back

Elements that have properties of both metals and nonmetals, located along the stair-step line.

Front

How many groups are there in the periodic table?

Back

18

Front

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

Back

A vertical column of elements that share similar chemical properties.

Front

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

Back

A horizontal row of elements that have the same number of electron shells.