Organization of Periodic Table

What do the vertical columns (groups/families) on the periodic table tell us?

• The number of orbitals/shells

• The number of valence electrons (electrons in the outer most shell)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Vertical columns on the periodic table are called ___?

• groups

• periods

• rows

• trends

Which color on the image of the periodic table corresponds with the lanthanides.

• red

• black

• blue

• orange

Which color on the image of the periodic table corresponds with the transition metals.

• red

• black

• blue

• orange

Which color on the image of the periodic table corresponds with the metalloids.

• bright yellow

• gold

• teal

• light blue

Which color on the image of the periodic table corresponds with the alkaline earth metals.

• yellow

• black

• red

• teal

Mendeleev first ordered the periodic table of elements by increasing

• atomic number

• atomic mass

• atomic symbol

• atomic weight

Horizontal rows on the periodic table are called ___?

• groups

• periods

• rows

• families

The periodic table is mostly comprised of what type of element?

• Metals

• Nonmetals

• Metalloids

Elements in the same ..................have similar chemical properties.

• period

• group

• row