-
Oct 27, 1000
Lead
BCE
Lead metal is used today in batteries , solde and television screens. -
Oct 27, 1000
Carbon
Pre-history
Many organic compaunds are made from carbon. -
Oct 27, 1250
Arsenic
Is used as a rat poison. -
Oct 27, 1500
Zinc
Is the chief metal in the penny , altough it is coated with copper. -
Antimoty
BCE
Is added to the plastic that makes credit cards. -
Phosphorus
Is used in loundry soaps and other detergents. -
Platinum
Is used in pacemarkers for the human hearts. -
Nickel
Is used in the heating elements in toasters and electonic ovens. -
Nitrogen
Makes up 78% of air. -
Oxygen
Every cell in the body need oxygen. -
Chlorine
Was used in World War 1 as a poison gas. -
Aluminum
Makes several jewlry items such as rubbies and sapphires. -
Helium
Helium was used to make the first gas lasers. -
Fluorine
Is added to many materials to lower the metting point. -
Argon
Is used as a gas in welding. -
Krypton
Is used in camera flashes and strobe lights. -
Neon
Is used in lights because it glows in an orange or red color. -
Polonium
Is used in nuclear batteries for space equipment. -
Radium
Is used to treat cancer. -
Actinium
Uses of actinium are impossible beacause it is a radioactive and very rare. -
Radon
Radon gas can cause long cancer. -
Francium
Has no known uses because of its high radioactivity and the small amounts of it that are available. It is estimated that less than an ounce of francium exists in the earth's crust. -
Plutonium
Isotopes are used in atomic bombs , nuclear reactors , and space exploration. -
Americium
Is used in smoke detectors. -
Dubnium
There are no uses for dubnium because it is extremely radioactive and half will decay in 34 seconds. -
Ununbium
Ununbium does not have any known application. -
Sulfur
Pre-history
Is used as a food preservative. -
Tin
BCE
Use to make electrical connections. -
Iron
BCE
Is use in magnets. -
Silver
BCE
Silver makes photographic film and paper. -
Gold
Is use to meke coins and bars (Gold bars). -
Copper
BCE
Is used in many U.S. coins , including coating the penny.