Periodic Table Organization

The vertical columns on the periodic table are called:

• periods

• elements

• groups

• matter

The horizontal rows on the periodic table are called:

• periods

• elements

• groups

• matter

What group does Lithium (Li) belong to?

• 1

• 2

• 3

• 4

Which period does Lithium (Li) belong to?

• 1

• 2

• 3

• 4

Atoms with similar properties are most likely located...

• in the same period.

• in the same group or family.

Tags

NGSS.HS-PS1-1

Elements in a period

• are arranged alphabetically.

• have identical properties.

• belong to the same family.

• have the same number of electron energy levels.

In the modern periodic table, elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

As you move from left to right across the periodic table, the atomic number increases. 

• True
• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The periodic table has __ groups.

• 8
• 7
• 18
• 2

The periodic table has __ periods.

• 18
• 8
• 2
• 7