-
500 BCE
the alchemists
they thought they could turn lead into gold -
500 BCE
neils bohr
he found the hydrogen atom and quantum theory that energey is transferd -
500 BCE
robert boyle
he thought that all substances were made up of atoms, which could in turn exist alongside a void, or vacuum. -
500
The Curies
they found a vary strong thing in a part of the atom -
500
Democritus
they found somthing so small that was never seen brfore in the atom -
500
Plato
he found the fith diffint type of atom -
500
Ernest Rutherford
it is a solor system in the atom -
500
Werner Heisenberg
he found the quantum mechanics based on matrices -
500
John Dalton
he proposed that all matter is made of tiny indivisible particles called atoms -
500
Dmitri Mendeleev
He predicted the likely properties of three of the potential elements -
500
J.J. Thomson
Thomson proposed the plum pudding model of the atom, -
500
Aristotle
He thought that all materials on Earth were not made of atoms, -
500
Albert Einstein
in 1905 he mathematically proved the existence of atoms, and thus helped make it better.
all the sciences through the use of statistics . -
500
Lavoisier
found that mass is conserved in a chemical reaction -
500
Robert Millikan
he found the electric charge carried by a single electron. -
500
Henry G. J. Mosely
he reported that the frequencies are proportional to the squares of whole numbers that are equal to the atomic number plus a constant.
