25 C Mangalore / boloji
OMG Really Means 'O' (is) My God
Oxygen, with O as the symbol and 8 as the atomic number, has been part of the gaseous cover enveloping the earth that is scientifically estimated to have come into existence about 4.6 billion years ago.But it was only in 1773 and 1774 that two scientists, Carl Wilhelm Scheele, a German-Swedish chemist, and Joseph Priestly, an English chemist, independently isolated it while it was left to a third scientist, Antoine Lavoisier of France, to give it a name and an identity three years later.
1 Nov 2024 11:10 pm