No he did not. Carl Wilhelm Scheele discovered it, but he wasn't sure if it was a new element or not. After he died Sir Humphry Davy figured out that chlorine was in fact a new element. How old are asker? I'm twelve.
Who is Sir Humphrey David???? I think you mean Sir Humphrey DAVY. Note the spelling of the surname.
Humphry Davy discovered potassium in 1807 by the electrolysis of potassium hydroxide.
1815
Sir Humphrey Davy in 1855
Yes he did and he built Trelissick house in Cornwall in 1790
Who is Sir Humphrey David???? I think you mean Sir Humphrey DAVY. Note the spelling of the surname.
Sir Humphrey Davy in 1808, link below.
Sir Humphrey Davy did not discover carbon. It has been know of from antiquity.
Sir Humphrey Davy founded potassium on october 6th 1807 in NEW ENGLAND :)
Sir Humphrey Davy
Sir Humphrey Davy
Humphry Davy discovered potassium in 1807 by the electrolysis of potassium hydroxide.
sir Humphrey Davy lived in penance in Cornwall
boron
1815
Study Hall
Sir Humphry Davy got his title when he was awarded by a baronetcy in 1819. It is the highest honor given to scientists by the British government. His works include various discoveries of alkali and alkaline metals, as well as the elemental nature of chlorine and iodine.