Periodic Table- Groups and Periods

Group

Elements in the same ____ have very similar chemical and physical properties.

Transition Metals

The name of the middle section of the periodic table.

Noble Gases

Group 18 of the periodic table. These elements are inert (do not undergo chemical reactions under normal conditions).

Periods

Rows of the periodic table

Groups

Columns of the periodic table

Hydrogen, oxygen, helium

Name 3 non metals

Metalloids

Group with properties of metals and non metals. Some are semiconductors - can carry electrical charge

Boron, silicon, germanium

Name 3 metalloids

Metal

The Properties of ___: malleable and ductile, shiny luster, high melting points, good conductors of heat and electricity

Nonmetals

The Properties of ___: not malleable or ductile, low melting points, poor conductors of heat and electricity

Nobel gases, halogens, oxygen family

What families have nonmetals in them?

Hydrogen

What is the lightest element?

Group 1

Alkali Metals

Group 2

Alkali Earth Metals

Group 17

Halogens

Group 18

Noble Gases

Inner Transition Metals

What are the groups highlighted in pink?

less

Transition metals are ________ reactive than the alkali metals

Groups 1,2,13-18 are called

representative elements

Groups 1 and 17

Which groups on the periodic table are the most reactive?