In 1787 by Antoine Lavoisier.
Justin tipper
Heinrich Hertz.
24.
in a barber shop ??? isnt it hot?
Masataka Ogawa, but it was others who correctly identified it.
Yes because stars die, and new ones come back to life!
Silicon hexabromide
Andrew Fleming, a Scottish bacteriologist, discovered the antibiotic penicillin in 1928 by accident. He won a Nobel Prize for this discovery.
Silicon and oxygen, in this form. SiO2 Silicon dioxide.
no it is not a nonmetal. Silicon is a metalloid
silicon and germanium
silicon is an element and is only composed of silicon