Duplicate of Periodic Table

The periodic table is arranged in ABC order. 

Elements in groups 3 - 12 (Group B elements) are called

Indicates the number of energy levels that an atom has.

Group 1A of the periodic table

Group VIIA is also called

Most elements are___.

Indicates the number of valence electrons that an atom has. 

How many protons are in an atom of Silicon?

Group VIIIA is unreactive and called the

Elements of the same group have similar properties because they have the same number of protons

The black zigzag line separates what?

Halogens are elements with properties that fall between those of metals and nonmetals. 

Group IIA of the periodic table.

Elements at the bottom were pulled out to keep the table from being too long; the first row

How many periods does the Periodic Table have?

Metals are good conductors of electricity and heat. 

Elements 1 - 93

How many neutrons are in Aluminum?

How many group A (Representative Group) columns are in the periodic table?

Elements that touch or border the zigzag line are classified as ___.