-Boron(5) -Aluminum(13) -Gallium(31) -Indium(49) -Thallium(81) The Boron Family -Boron(5) -Aluminum(13) -Gallium(31) -Indium(49) -Thallium(81)

Boron Family 3 Outer Valence Electrons Do not occur elementally in nature Are scarce in nature All metallic besides Boron(solid metalloid) All soft and have a low melting point except for Boron Chemically reactive at moderate temperatures

Boron Element no. 5 Atomic weight- 10.811 Color- Black/Brownish Used for: fiberglass insulation, fertilization, road or safety flares, wood preservatives, shields radiation, used as an insecticide

Aluminum Atomic number 13 Metallic Uses: Aircraft, machinery, engine blocks, engine components, tools, etc.

Gallium Atomic Number 31 Color- Silvery White Classification- Metallic Used as a key component for LED Lights and lasers

Indium Atomic Number 49 Color- Silver Lustrous Gray Classification- Metallic Gives off a high pitched scream when bent Useful for making low-melting alloys Produced mainly by Canada

Thallium Atomic Number- 81 Color- Silvery White Classification- Metallic Resembles lead when left in open air Very soft and malleable, can be cut with a knife Toxic and can cause cancer