What element did H. Davy discover?
What force did he use?
What is everything made of?
Paracelsus' idea was:
The pursuit of gold led to what idea?
Urine was used to discover what element?
Uses of phosphorus (and phosphates):
What did Boyle do to alchemy?
Cavendish's experiment with "airs" led to what discovery?
What happened to the Hindenburg and why?
Priestly invetigated carbon dioxide. What does carbon dioxide do to a flame?
When mercuric oxide is heated, what gas is formed?
Lavoisier used a quantitative approach to investigate. What did he do?
Lavoisier's definition of an element is...
How many elements did Lavoisier list?
Humphrey Davy broke down potash and what?
How many elements had been found by Davy's death?