Copper, Arsenic, Antimony , Zinc, Bismuth, and Platinum. Yes, that is 6.
The Egyptians came first.
Ancient Egyptians were first to create beer.
Egyptians were the first ones.
Gold was first discovered in mid Estens (6000 B.C.)
The ancient Egyptians were the first peoples known to have used mathematics, to calculate calendars, tides, and surveying. Each year, the Nile river would flood the land and deposit nutrients washed down from the African mountains. The flood waters would wash away the field markers, and they needed ways to figure out what land belonged to whom. The Greeks expanded on the Egyptians' discoveries, and formalized much of what we think of as the language of math.
Egyptians.
the egyptians were the people who first discovered fractions.
many of the first discovered elements were named by greek and roman philosophers
Dalton
mud stone air fire
Canning using soldered metallic containers was first attempted in the late 18th century in England.
The Egyptians
It is not known exactly who first discovered Pi. It has been used for over 4,000 years and dates back to the times of ancient Egyptians.
Mendeléev, Dmitri (1834-1907)Discovered periodicity of the elements. Compiled the first Periodic Table with elements arranged into 7 groups (1869).
Elements are discovered, they are not invented.
I have read that the Ancient Egyptians had toys that worked by steam power.
In group 1 the first column on the left