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Chemistry: Chapter 5 (Pearson) Flashcards | StudBud
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Chemistry: Chapter 5 (Pearson)
Chemistry: Chapter 5 (Pearson)
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A #Chemistry Quiz!
Flashcards
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Questions
20
Answers
1
An excited electron will go back to its normal state when it emits a(n)
gamma ray
proton
neutron
photon
2
When writing the Noble Gas notation for Iron, what noble gas is used in the abbreviation?
Krypton
Helium
Argon
Neon
3
Which of the following are part of the electromagnetic spectrum?
x-rays
light
infrared
All of the above.
4
What name is given to a particle of electromagnetic radiation?
electron
neutron
proton
photon
5
What states that no two electrons in the same atom can have the same set of quantum numbers
Aufbau Principle
Hund's Rule
Heisenberg Uncertainty Principle
Pauli Exclusion Principle
6
According to Bohr, electrons circle the nucleus only in allowed paths that he called
orbits
orbitals
sublevels
shells
7
How many orbitals does a "p" sublevel have?
1
3
7
5
8
The lowest energy state (normal state) for an atom is called the
excited state
Bohr state
normal state
ground state
9
Which of the following states that an electron will occupy the lowest-energy orbital it can
Aufbau Principle
Bohr's Rule
Hund's Rule
Heisenberg Uncertainty Principle
10
What states that orbitals of equal energy will have one electron before any receives two?
Schrodinger's Rule
Heisenberg Uncertainty Principle
Hund's Rule
Aufbau Principle
11
Who proposed a hydrogen-atom model that explained hydrogen's line emission spectrum?
Werner Heisenberg
Ernest Rutherford
Neils Bohr
Erwin Schrodinger
12
What element is shown by 1s
2
2s
2
2p
6
3s
1
?
Lithium
Carbon
Sodium
Neon
13
What term describes the emission of electrons from a metal when light shines on the metal?
the uncertainty principle
Hund's Rule
the photoelectric effect
the Aufbau principle
14
Who was the Austrian scientist who helped Heisenberg to establish modern quantum theory?
Erwin Schrodinger
J. J. Thomson
Louis de Broglie
Neils Bohr
15
How many electrons can a "d" sublevel hold?
10
14
2
6
16
Which quantum number refers to the main energy level of an electron?
angular momentum
principle
magnetic
spin
17
Which of the following best describes an orbital?
It is a pathway that electrons follow.
It is a region around the nucleus.
It is a specific point outside the nucleus.
It is a point within the nucleus.
18
What says that it is impossible to determine both the position and velocity of an electron?
Aufbau Principle
Heisenberg Uncertainty Principle
Bohr's Rule
Hund's Rule
19
What element is represented by [Kr]5s
2
4d
9
?
Bromine
Tin
Silver
Chromium
20
Who proposed that electrons exhibit wave-like behavior?
Louis De Broglie
Neils Bohr
Werner Heisenberg
Erwin Schrodinger