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Period: to
Discovering the Elements
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Phosphorus
Makes some toys glow -
Platinum
Webelements Discovered by Antonio de Ulloa in South America.
The name comes from the Spanish word for silver, platina. Chemical Symbol: Pt
Atomic number: 78 -
Nickel
Makes up 25% of a U.S. five-cent piece -
Oxygen
Makes rocket fuel -
Potassium
Makes liquid soap -
Iodine
Used to develop photo film -
Aluminum
Makes aluminum foil -
Indium
Used in nuclear power plants -
Argon
Used in light bulbs -
Protactinium
Radioactive -
Americium
Used in smoke detectors -
Ununniliu,
Radioactive