HISTORY OF THE
ATOMIC MODEL
Review for Quiz
A.
B.
C.
D.
Match the Atomic Model to the Person who designed the model.
Use the Models Above
Niels Bohr
John Dalton
Ernst Rutherford
J.J. Thomson
A.
B.
 Niels Bohr - D
 John Dalton - A
 Ernst Rutherford - C
 J.J. Thomson - B
C.
D.
A.
B.
Use the Models Above
James Chadwick
Murray Gell- Mann and George Zweig
Erwin Schrodinger
C.
A.
B.
 James Chadwick - A
 Murray Gell- Mann and George Zweig - C
 Erwin Schrodinger - B
C.
Dalton devised the first modern atomic model. Which
one of the following characteristics is NOT part
of Dalton's atomic model?
a. Atoms of different elements are different.
b. All atoms of the same element are identical.
c. Atoms combine to form compounds.
d. Atoms consist of positive particles and negative
particles.
Dalton devised the first modern atomic model. Which one
of the following characteristics is NOT part
of Dalton's atomic model?
Atoms of different elements are different.
All atoms of the same element are identical.
Atoms combine to form compounds.
Atoms consist of positive particles and negative particles.
The scientist who discovered the neutron was
__________.
a. Chadwick
b. Rutherford
c. Thomson
The scientist who discovered the
neutron was __________.
a. Chadwick
b. Rutherford
c. Thomson
The British scientist who conducted experiments using
alpha particles on a thin gold foil and said that an
atom has a dense positive center called the ‘nucleus’.
a. Thomson
b. Rutherford
c. Dalton
The British scientist who
conducted experiments using
alpha particles on a thin gold foil
and said that an atom has a dense
positive center called the ‘nucleus’.
a. Thomson
b. Rutherford
c. Dalton
The scientist who proposed the
‘solar system model of an atom
where the electrons revolve
around the nucleus much like the
planets revolve around the sun.
a. Bohr
b. Rutherford
c. Thomson
The scientist who proposed the
‘solar system model of an atom
where the electrons revolve
around the nucleus much like the
planets revolve around the sun.
a. Bohr
b. Rutherford
c. Thomson
The British scientist who proposed the
‘plum pudding model of the atom.
a. Thomson
b. Rutherford
c. Dalton
The British scientist who proposed
the ‘plum pudding model of the
atom.
a. Thomson
b. Rutherford
c. Dalton
The British scientist who discovered the
electron.
a. Thomson
b. Rutherford
c. Dalton
The British scientist who
discovered the electron.
a. Thomson
b. Rutherford
c. Dalton
The British scientist who believed
that atoms are ‘indivisible”.
a. Thomson
b. Rutherford
c. Dalton
The British scientist who
believed that atoms are
‘indivisible”.
a. Thomson
b. Rutherford
c. Dalton
The Greek Philosopher who called the
smallest particle of matter as ‘atom’.
a. Bohr
b. Democritius
c. Rutherford
The Greek Philosopher who called
the smallest particle of matter as
‘atom’.
a. Bohr
b. Democritius
c. Rutherford
The fixed circular paths around the nucleus are
called_________.
a. orbits
b. orbitals
c. cloud for electrons
The fixed circular paths around the
nucleus are called_________.
a. orbits
b. orbitals
c. cloud for electrons
When alpha particles are used to bombard
gold foil, most of the alpha particles pass
through undeflected.
This result indicates that most of the
volume of a gold atom consists of ____.
a. clouds of dust
b. neutrons
c. protons
d. empty space
When alpha particles are used to bombard
gold foil, most of the alpha particles pass
through undeflected.
This result indicates that most of the
volume of a gold atom consists of ____.
a. clouds of dust
b. neutrons
c. protons
d. empty space
Which of the following is / are deduced from the
Rutherford’s scattering experiment?
(1) There are neutrons inside the nucleus.
(2) α particles are helium nucleus.
(3) Most of the mass is concentrated at
the center of atom.
a. (3) only
b. (1) and (2) only
c. (2) and (3) only
d. (1), (2) and (3)
Which of the following is / are deduced
from the Rutherford’s scattering
experiment?
(1) There are neutrons inside the
nucleus.
(2) α particles are helium
nucleus.
(3) Most of the mass is
concentrated at the center of
atom.
a. (3) only
b. (1) and (2) only
c. (2) and (3) only
d. (1), (2) and (3)
According to Rutherford’s atomic model, if
a large classroom represents an atomic
size, which of the following objects best
represent the size of a nucleus?
a. A basketball
b. A baseball
c. A ping-pong ball
d. A marble
According to Rutherford’s atomic model,
if a large classroom represents an atomic
size, which of the following objects best
represent the size of a nucleus?
a. A basketball
b. A baseball
c. A ping-pong ball
d. A marble
What subatomic particle
represents the "plums" or the
"chips?“
a. protons
b. neutrons
c. electrons
What subatomic particle
represents the "plums" or
the "chips?“
a. protons
b. neutrons
c. electrons
Aristotle said that everything is
divided into four___________.
a. molecules
b. elements
c. protons
Aristotle said that
everything is divided into
four___________.
a. molecules
b. elements
c. protons
The idea that the atom was composed
of subatomic particles is about _?_ old.
a. one thousand years
b. a decade
c. a century
d. two thousand
The idea that the atom was
composed of subatomic
particles is about _?_ old.
a. one thousand years
b. a decade
c. a century
d. two thousand
Arrange the particles in the order in which
they were discovered, from earliest to
latest.
a. electrons, neutrons, protons, quarks
b. electrons, protons, neutrons, quarks
c. protons, electrons, neutrons, quarks
d. quarks, protons, electrons, neutrons
Arrange the particles in the order in which they
were discovered, from earliest to latest.
a. electrons, neutrons, protons, quarks
b. electrons, protons, neutrons, quarks
c. protons, electrons, neutrons, quarks
d. quarks, protons, electrons, neutrons
The literal translation to English of the
Greek word “atomos (ατομως)” is…
a. Particle
b. Indivisible
c. Tiny
d. Anti‐æther
The literal translation to
English of the Greek word
“atomos (ατομως)” is…
a. Particle
b. Indivisible
c. Tiny
d. Anti‐æther
Which of the following best captures the chronological
order of the development of atomic theory up to the
“Nuclear Model” theory?
a. Democritus, Dalton, Thomson, Chadwick, Bohr,
Rutherford
b. Democritus, Dalton, Thomson, Rutherford, Bohr,
Chadwick
c. Democritus, Thomson, Chadwick, Dalton,
Rutherford, Bohr
d. Democritus, Thomson, Dalton, Chadwick, Bohr,
Rutherford
Which of the following best captures the chronological order of
the development of atomic theory up to the “Nuclear Model”
theory?
a. Democritus, Dalton, Thomson, Chadwick, Bohr,
Rutherford
b. Democritus, Dalton, Thomson, Rutherford, Bohr,
Chadwick
c. Democritus, Thomson, Chadwick, Dalton, Rutherford,
Bohr
d. Democritus, Thomson, Dalton, Chadwick, Bohr,
Rutherford
Who discovered that atoms have
quarks?
a. Murray Gell-Mann
b. James Chadwick
c. Erwin Schrodinger
d. Neils Bohr
Who discovered that atoms
have quarks?
a. Murray Gell-Mann
b. James Chadwick
c. Erwin Schrodinger
d. Neils Bohr
The region outside the nucleus where
electrons can most probably be found is
the
a. electron configuration.
b. outer nucleus.
c. orbit.
d. electron cloud
The region outside the nucleus where
electrons can most probably be found is
the
a. electron configuration.
b. outer nucleus.
c. orbit.
d. electron cloud
According to Bohr, electrons cannot reside at ____ in the
figure above.
a. point A
b. point B
c. point C
d. point D
According to Bohr, electrons cannot reside
at ____ in the figure above.
a. point A
b. point B
c. point C
d. point D
According to the quantum theory, point D in the figure above
represents
a. the fixed position of an electron.
b. the farthest point from the nucleus where an electron can
be found.
c. a position where an electron probably exists.
d. a position where an electron cannot exist
According to the quantum theory, point D in the
figure above represents
a. the fixed position of an electron.
b. the farthest point from the nucleus where an
electron can be found.
c. a position where an electron probably exists.
d. a position where an electron cannot exist
Which model of the atom explains the orbitals of electrons as
waves?
a. the Bohr model
b. the quantum model
c. Rutherford's model
d. Planck's theory
Which model of the atom explains the orbitals of
electrons as waves?
a. the Bohr model
b. the quantum model
c. Rutherford's model
d. Planck's theory