Unit 03 - The Periodic Table

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

A vertical column is called...

• group
• tower
• period
• crew

The number at the bottom of each square on the periodic table is the ...

• atomic number
• atomic mass
• chemical symbol
• element name

Tags

NGSS.MS-PS1-1

The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

Tags

NGSS.MS-PS1-1

How many elements follow the periodic law?

• 7
• 98
• 110
• All of them

Tags

NGSS.HS-PS1-1

Pure forms of these elements are stored in oil so they won't react with oxygen and water in the air.

• Alkali Metals
• Alkaline-earth metals
• Halogens
• Noble Gases

Tags

NGSS.MS-PS1-2

Most of the elements on the periodic table are classified as _____.

• Metals
• Nonmetals
• Metalloids
• Periods

This class of elements are sometimes called "semiconductors."

• Metals
• Nonmetals
• Metalloids
• Groups

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

The atoms along the bottom staircase are called

• metals

• nonmetals

• metalloids

• noble gases