Atomic Structure Flashcards
Who discovered the electron?
Thomson
Thomson discovered what atom?
Electron
What is the actual mass of the electron?
9.11x10^-31 kg
What is the relative mass of the electron
0
Who discovered the Proton?
Rutherford
Rutherford discovered what atom?
Proton
What is the mass of the proton?
1.67x10^-27 kg
Who discovered the neutron?
Chadwick
Chadwick discovered what atom?
Neutron
What is the mass of the neutron?
1.67 x10^-27 kg
What is the relative mass of a neutron?
1
Who created the plum pudding model and cathode ray tube?
Thomson
Who created the gold foil expirement?
Rutherford
Who was weighing stuff?
Chadwick
Who added orbitals?
Bohr
What is the quantum mechanics model?
a current mathematical model to predict electron location
what is a cation?
an atom with a positive charge
what is an anion?
an atom with a negative charge
what is an ion?
an atom or group of atoms that have a positive or negative charge
What is the relative mass of the proton?
1
