Book1 Flashcards
ATOMOS
DEMOCRITUS
ATOMIC THEORY AND LAW OF MULTIPLE PROPORTION
JOHN DALTON
LAW OF DEFINITE PROPORTION
JOSEPH PROUST
ELECTRON
JJ THOMPSON
NEUTRON
JAMEST CHADWICH
PROTON
ERNEST RUTHERFORD
CREATED THE MODERN PERIODIC TABLE
DMITRI MENDELEEV
DEVELOP THEORY OF COVALENT BOND
GILBERT LEWIS
FORMULATED VALENCE THEORY AND ELECTRONEGATIVITY
LINUS PAULING
matter remains the same befor and after reaction occur
LAW OF CONSERVATION OF MASS
same reactant = same product
LAW OF CONSERVATION OF MASS
same proportion of elemet by mass
LAW OF DEFINITE PROPORTION
two elements when combined form more than one compound
LAW OF MULTIPLE PROPORTION
6.02 x 10-23 mol-1
AVOGADRO’S NUMBER
EQUAL VOLUME, GAS, SAME TEMP. AND PRESSURE, SAME NUMBER OF MOLECULE
AVOGADRO’S LAWS
smallest constituent unit of matter
ATOM
CANNOT BE BROKEN DOWN INTO SMALLER SUBSTANCES
ELEMENTS
TWO OR MORE DIFFERENT ELEMENTS
COMPOUNDS