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Atomic Structure Unit Review

Description

Review test for the Atomic Structure Unit
Georgia Dilworth
Quiz by Georgia Dilworth, updated more than 1 year ago
Georgia Dilworth
Created by Georgia Dilworth over 8 years ago
16
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Resource summary

Question 1

Question
Which of the following did Democritus NOT believe about atoms?
Answer
  • They came in different shapes and sizes
  • They are divisible
  • Everything is made up of atoms and empty space
  • None of the above

Question 2

Question
Which scientist was the first to propose that atoms combined in specific proportions to create compounds?
Answer
  • Rutherford
  • Dalton
  • Thomson
  • Bohr

Question 3

Question
Thomson's concept of the atom was flawed because it didn't account for isotopes.
Answer
  • True
  • False

Question 4

Question
Thomson's '[blank_start]chocolate chip cookie[blank_end]' model of the atom was conceptualized based on the results of the [blank_start]cathode ray[blank_end] experiment. The experiment proved that atoms were [blank_start]repulsed[blank_end] by the negative part of a magnetic field. Based on these observations, Thomson realized that [blank_start]electrons[blank_end] existed inside the atom.
Answer
  • chocolate chip cookie
  • beehive
  • cathode ray
  • gold foil
  • repulsed
  • attracted
  • electrons
  • protons
  • neutrons
  • sub-atomic particles

Question 5

Question
When the gold foil experiment was performed, 1/10,000 alpha particles were deflected.
Answer
  • True
  • False

Question 6

Question
Which restriction(s) applied to Rutherford's model of the atom?
Answer
  • Did not account for isotopes
  • If model was accurate, electrons should lose energy and collapse into themselves, causing the entire atom to collapse
  • Did not account for the behaviour of certain gasses
  • Model only works for atoms with one electron

Question 7

Question
The [blank_start]colour[blank_end] of light emitted by an atom is dependent on the [blank_start]size[blank_end] of the quantum jumps that the atom's [blank_start]electrons[blank_end] make.
Answer
  • colour
  • size
  • electrons

Question 8

Question
Who proposed the Uncertainty Principle?
Answer
  • Heisenberg
  • Bohr
  • de Broglie
  • Schrodinger

Question 9

Question
The Uncertainty Principle states that we cannot know both the [blank_start]position[blank_end] and [blank_start]momentum[blank_end] of a particle at a given time.
Answer
  • position
  • energy
  • momentum
  • shape

Question 10

Question
What idea about the structure of an atom did Louis de Broglie propose?
Answer
  • He came up with the quantum mechanical model of the atom
  • He created equations to indicate the probable location of an atom
  • He hypothesized that the dual-wave properties of light also apply to matter
  • None of the above

Question 11

Question
6.626 x 10^-34 is [blank_start]Planck[blank_end]'s constant
Answer
  • Planck

Question 12

Question
Why is the electron orbital diagram incorrect?
Image:
df1be096-6a75-47c7-a20f-9bf0df3fbb03 (image/jpeg)
Answer
  • It violates Hund's Rule
  • It violates the Aufbau Principle
  • It violates the Pauli Exclusion Principle
  • The diagram is not incorrect

Question 13

Question
Why is the electron orbital diagram incorrect?
Image:
04550790-f83f-4c2d-b01d-1b394a7c30e4 (image/jpeg)
Answer
  • It violates the Aufbau Principle
  • It violates the Pauli Exclusion Principle
  • It violates Hund's Rule
  • The diagram is not incorrect

Question 14

Question
Why is the electron orbital diagram incorrect?
Image:
17b5c794-2604-4fe1-8114-207fd47512bd (image/jpeg)
Answer
  • It violates the Aufbau Principle
  • It violates the Pauli Exclusion Principle
  • It violates Hund's Rule
  • The diagram is not incorrect

Question 15

Question
Why is the electron orbital diagram incorrect?
Image:
978023c1-4cc0-46f3-9ae4-1c56c4eaf9cb (image/jpeg)
Answer
  • It violates the Aufbau Principle
  • It violates the Pauli Exclusion Principle
  • It violates Hund's Rule
  • The diagram is not incorrect

Question 16

Question
The l value of a 4f electron is 3.
Answer
  • True
  • False

Question 17

Question
All four quantum numbers for the 2nd electron in a 3p orbital are:
Answer
  • n = 3, l = 2, ml = 0, ms = 1/2
  • n = 3, l = 2, ml = 0, ms = -1/2
  • n = 3, l = 1, ml = 0, ms = 1/2
  • n = 3, l = 1, ml = 0, ms = -1/2

Question 18

Question
Hydrogen bonding is the strongest type of intramolecular bond
Answer
  • True
  • False

Question 19

Question
Which type of intermolecular bonding is the weakest?
Answer
  • Dipole-Dipole
  • London Forces
  • Hydrogen Bonding
  • None of the above

Question 20

Question
Wavelength and frequency are [blank_start]inversely[blank_end] related, wavelength and energy are [blank_start]inversely[blank_end] related, and energy and frequency are [blank_start]directly[blank_end] related.
Answer
  • inversely
  • directly
  • not
  • inversely
  • directly
  • not
  • directly
  • inversely
  • not
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