Periodic Table and Atoms

How did Mendeleev arrange the elements?

• alphabetical 
• density
• melting point
• atomic mass

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

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

What is the chemical symbol for Lithium?

• H
• He
• Li
• N

How many elements follow the periodic law?

• 7
• 98
• 110
• All of them

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• Metals
• Nonmetals
• Metalloids
• Periods

Tags

NGSS.MS-PS1-1

This class of elements are sometimes called "semiconductors."

• Metals
• Nonmetals
• Metalloids
• Groups

Tags

NGSS.MS-PS1-1

Who invented the Periodic Table?

• Mendeleev

• Bohr

• Lewis

• Democritus