Periodic Law

How did Mendeleev arrange the elements?

• alphabetical 
• density
• melting point
• atomic mass

Tags

NGSS.HS-PS1-1

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Tags

NGSS.HS-PS1-1

A vertical column is called...

• group
• tower
• period
• crew

Tags

NGSS.HS-PS1-1

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

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

Tags

NGSS.HS-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.HS-PS1-1

What is the chemical symbol for Lithium?

• H
• He
• Li
• N

Tags

NGSS.HS-PS1-1

A rule that states that repeating chemical and physical properties of elements change periodically with the atomic number of the elements is the _________.

• periodic law
• alkaline-earth metals
• actinide
• group rule

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.HS-PS1-1

This class of elements are sometimes called "semiconductors."

• Metals
• Nonmetals
• Metalloids
• Groups

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of group number 1?

• halogens

• noble gases

• alkali metals

• alkaline earth metals