WorksheetsDevelopment of Atomic Theory
Total questions: 20
Worksheet time: 10mins
Who was the first person to come up with the idea of the atom?
Democritus
Aristotle
Dalton
Thomson
Who's incorrect view of matter was predominate for over 2000 years?
Democritus
Dalton
Aristotle
Bohr
Who created the solid sphere model of the atom?
Dalton
Thomson
Bohr
Rutherford
Who created the plum pudding model of the atom?
Rutherford and the plums were protons
Rutherford and the plums were electrons
Thomson and the plums were protons
Thomson and the plums were electrons
The cathode-ray tube was used to discover the ____ by ____.
Electron by Thomson
Electron by Ruthefeord
Proton by Thomson
Proton by Rutherford
Which of the following was determined by MIllikan's oil drop experiment. Choose ALL that apply
Charge of electron
Charge of proton
Mass of electron
Mass of proton
Mass of neutron
Who accidentially discovered radiation with a rock that contained uranium and a photo graphic plate (film)?
Chadwick
Curie
Becquerel
Rutherford
Rutherford discovered there were three main types of radiation. Which of the three types was used in his famous gold foil experiment?
alpha
beta
gamma
all three types
Why did most of the radiation pass through the gold foil in the experiment?
Nucleus is large and most of atom is empty space.
Nucleus is large and little of atom is empty space.
Nucleus is small and most of atom is empty space.
Nucleus is small and little of atom is empty space.
Jimmy Neutron is the nick name for which scientist that discovered the neutron?
Chadwick
Rutherford
Bohr
Thomson
Moseley
Moseley used X-rays to determine the number of which subatomic particle in the atoms of each element?
Protons
Electrons
Neutrons
All of the above.
The periodic table is currently organized based on:
atomic number and always has been.
atomic mass and always has been.
atomic number but used to be organized by atomic mass.
atomic mass but used to be organized by atomic number.
Neils Bohr stated that electrons moved around the nucleus at fixed distances. This Bohr model was also called the
Planetary model
Plum Pudding model
Nuclear model
Quantum Mechanical Model
Which sub-atomic particle in the atom is responsible for the bonding and chemical properties (behavior) of the atom?
Protons
Electrons
Neutrons
Which of the following places the subatomic particlesin order from SMALLEST to LARGEST mass.
electron, proton, neutron
electron, neutron, proton
proton, electron, neutron
neutron, electron, proton
neutron, proton, electron
Created the concept of orbitals
Heisenberg
de Broglie
Bohr
Schrodinger
Which of the following places the models of the atom from most historic to most recent.
solid sphere, plum pudding, nuclear, planetary, quantum mechanical
solid sphere, plum pudding, planetary, quantum mechanical, nuclear
plum pudding, nuclear, solid sphere, quantum mechanical, planetary
plum pudding, solid sphere, planetary, quantum mechanical, nuclear
Which of the following sets of quantum numbers has an electron spinning counter clockwise?
n = 4 l = 3 ml = +3 ms = +1/2
n = 5 l = 3 ml = 0 ms = -1/2
n = 4 l = 2 ml = -2 ms = +1/2
n = 5 l = 0 ml = 0 ms = +1/2
Which of the following sets of quantum numbers has electron in an s-orbtial?
n = 4 l = 3 ml = +3 ms = +1/2
n = 5 l = 3 ml = 0 ms = -1/2
n = 4 l = 2 ml = -2 ms = +1/2
n = 5 l = 0 ml = 0 ms = +1/2
Which color of light has both the longest wavelength and lowest frequency?
Orange
Red
Yellow
Violet
Green
