unsure unsure
Elements are discovered, they are not invented.
i did
Lead is a pure element, and therefore was not invented by anyone. It has been known as an element since ancient times. nobody invented lead . It's a natural product.
Aluminium always existed. It is an element and a metal which oxidizes easily.
Polonium is an element and was not invented but discovered.
Potassium was not invented; it is a naturally occurring element on the periodic table with the atomic number 19. It was first isolated by Sir Humphry Davy in 1807 through the electrolysis of caustic potash (potassium hydroxide).
Gold is a natural element, so it was never invented by people. It was discovered by people before humans started recording history, so it is unknown who was first to find it.
the universe
no one did, its an element
It's an element. It wasn't invented. It was created.
Nobody invented it, tin is a naturally occurring element.
Barium is an element and therefore was not 'invented'. It was however first identified by Scheele in 1774 and was first isolated by Sir Humphrey Davy in 1808.