Studied by 3 people
CHEMISTRY
Active science that studies matter and the changes that occur in it, considered central science.
CHINESE..
Developed paper, ceramics, ink and gunpowder.
MILETUS?
Studied the composition of matter, Ancient Greece.
ARISTOTLE
Theory of 4 elements.
LEUCIPPUS AND DEMOCRITUS
Proposed matter is made of small particles = atoms.
ALCHEMY
Begins 400 B.C.
ANTOINE LAVOISIER
Layed foundation for modern chemistry.
JOHN DALTON
Proposed first atom structure.
ERNEST RUTHERFORD 2OTH CENTURY
Established that the nucleus of the atom has a positive charge and atom is made of small particles.
NIELS BOHR
Atom structure as a planetary system.
MENDELEV END OF XIX CENTURY
Organized elements in periodic table according to atom weight.
XX PIERRE AND MARIE CURIE
Discovered polonium and radium, studied radioactivity.
MIDDLE OF 2OTH CENTURY
Plastic is studied.
END OF 2OTH CENTURY
Studies of DNA molecule, understanding language of life.
