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History of the Atomic Model. Review for Quiz. Match the Atomic Model to the Person who designed the model. Use the Models Above Niels Bohr John Dalton Ernst Rutherford J.J . Thomson. Niels Bohr - D John Dalton - A Ernst Rutherford - C J.J. Thomson - B. Use the Models Above

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History of the Atomic Model

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## History of the Atomic Model

Review for Quiz

• Match the Atomic Model to the Person who designed the model.

• Use the Models Above

• Niels Bohr

• John Dalton

• Ernst Rutherford

• J.J. Thomson

• Niels Bohr - D

• John Dalton - A

• Ernst Rutherford - C

• J.J. Thomson - B

Use the Models Above

Murray Gell- Mann and George Zweig

Erwin Schrodinger

• James Chadwick - A

• Murray Gell- Mann and George Zweig - C

• Erwin Schrodinger - B

• 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.

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 __________.

b. Rutherford

c. Thomson

• The scientist who discovered the neutron was __________.

• 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.

Thomson

Rutherford

Dalton

• The British scientist who proposed the ‘plum pudding model of the atom.

• Thomson

• Rutherford

• 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?

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

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

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

electron configuration.

outer nucleus.

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

the fixed position of an electron.

the farthest point from the nucleus where an electron can be found.

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

• the fixed position of an electron.

• the farthest point from the nucleus where an electron can be found.

• 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