Potassium is a soft metal which reacts very quickly with water. It was not known to the ancient civilizations and the credit for its isolation and discovery goes to Sir… Read more »

The credit is generally given to the Chinese for the discovery of fireworks along with the gunpowder in the 9th century. According to a popular story, a cook accidentally mixed… Read more »

The credit for discovering hydrogen goes to T. Von Hohenheim, who accidently discovered the gas (H2) in the 15th century AD, when he mixed acids and metals. He was not… Read more »

Gunpowder was discovered by the Chinese sometime in the 8th century A.D. The first written record of the manufacturing of gunpowder is found in the Wujiang Zongyao, a military guide… Read more »

Humans have known Mercury since time immemorial as it is one of the five planets visible through a naked eye. So it is not possible to give credit to a… Read more »

References to gold can be found in the most ancient examples of ancient history. Since it is present in the oldest of burials sites and finds mention in the most… Read more »