Periodic Table

Groups on the periodic table are __________.

• Horizontal Rows

• Vertical Columns

The identity of an element on the periodic table is determined by the number of _______.

• protons

• neutrons

• electrons

• ions

• Periods
• Groups

What family does Hydrogen belong?

• Non-metal

• Noble Gas

• Halogen

• Metalloid

• Periods
• Groups

Each column in the periodic table is called a _________ .

• period

• group

• cluster

• unit

How many valence electrons does group 13 have?

• 1

• 2

• 3

• 12

What's a valence electron?

• electrons in the second energy level

• electrons in the outermost energy level

• the atomic number

• electrons in the first level

Metals are found on the ______________ side of the periodic table.

• nonmetals

• left

• right

• metals

Which group of elements are the most reactive metals?

• Group 2

• Group 1

• Group 13

• Group 18