ELEMENTS

PLATINUM

• Platinum is heavy, soft, malleable, and ductile.
• The symbol for platinum is Pt
• Platinum is a solid at room temperature
• Platinum is Grayish-White

HISTORY

• Antonio De Ulloa discovered platinum
• Platinum was discovered in 1735
• Platinum was discovered in South America

USES

• Platinum can be used to make jewelry, wire, and lab vessels
• Platinum is also used as an automobile catalyst

SULFUR

• Sulfur is odorless, and tasteless in solid form
• Symbol of Sulfur is S
• Sulfur is a solid at room temperature
• Sulfur is yellow

HISTORY

• Sulfur was discovered by Antoine-Laurent de Lavoisier
• Sulfur was discovered in 1777
• Sulfur was discovered in France

USES

• Sulfur is used for Matches, black gunpowder, and rubber.
• Sulfur is also used for fungicide, and fertilizers.

ARSENIC

• Arsenic is generally shiny, gray, and brittle.
• Arsenic's symbol is As.
• Arsenic is a solid at room temperature.
• Arsenic is a solid at room temperature.

HISTORY

• Arsenic was discovered by Albert Magnus in approximately 1250 A.D.
• Arsenic was discovered in mines by the early Chinese, Greek, and Egyptian civilizations.

USES

• Arsenic is a well-known poison used for rat poisoning and insecticides.
• Arsenic is also used in the preservation of wood.

HAFNIUM

• Hafnium is bright, silvery-gray, and is very ductile.
• Hafnium's symbol is Hf
• Hafnium is a solid at room temperature

HISTORY

• Hafnium was discovered by Dirk Coster in 1923.
• Hafnium was discovered in Copenhagen

USES

• Hafnium is used for nuclear control rods, light bulb filaments, and and photographic flash bulbs