atomic theory Flashcards
(18 cards)
who had the theory that all matter was made of atoms?
Democritus
who created the Billiard Ball experiment?
John Dalton
who discovered the electron?
J.J Thomson
who created the Gold Foil Experiment?
Rutherford
who created the Planetary Model?
Bohr
who developed the electron cloud model?
Schrodinger
who discovered neutrons?
James Chadwick
who created the Chocolate Chip Cookie model?
J.J Thomson
Who created the Bohr Planetary model?
Bohr
who created the Cathode Ray Tube?
Thomson
who said that neutrons orrbit the nucleus?
Bohr
who discovered the proton?
Rutherford
are protons and neutrons in the nucleus?
true
are protons, electrons and the atomic number the same?
yes
what does M.A.N mean?
M=round the atomic mass
A= atomic number
N=neutrons
what does it mean when the number of neutrons varies the resulting particle?
isotope
Many isotopes are radioactive
True or False?
true
who agrees that atoms are mostly empty space?
Rutherford
