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Unit 3B block E Flashcards | StudBud
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Unit 3B block E
Unit 3B block E
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1
Which of the following rules states that Each orbital pair in a Shell will have one electron before any pair gets two?
Hund's Rule
Aufbau Principle
Pauli Exclusion Principle
Uncertainty Principle
2
Who discovered the Nucleus in the atom, stating 99+% of the mass of the atom is found <1% of the volume?
Ernest Rutherford
James Chadwick
J J Thomson
Henry Moseley
3
Which of these are the electron configurations for Potassium?
1S2 2S2 2P10 3S2 3P3
1S2 1P6 2S2 2P6 3S2 3P5
1S2 2S2 2P6 3S2 3P6 4S1
1S2 2S2 2P6 3S2 3P6 4S2
4
In wave mechanics, what is represented by ν (Greek letter nu), meaning the number of waves that will pass in a second?
Frequency
Energy
Wavelength
Velocity
5
Which of the following energy levels could have an S and a P shell?
3rd Energy Level
5th Energy Level
All of these have an S and a P shell
2nd Energy Level
6
Which rule states that scientists cannot know the exact velocity & location of an electron at the same time?
Aufbau Principle
Pauli Exclusion Principle
Uncertainty Principle
Hund's Rule
7
Think about the Lewis Dot structure for X with a valence# of 6, what is the distribution of the dots?
Single, Double, Single, Double
Single, Single, Double, Double
Single, Double, Double, Double
Single, Single, Single, Double
8
In the Picture what information is given by the 2?
Energy Level
# of Electrons in the Shell
Energy Shell
Orbital Pair
9
What is the name of the Atomic Model pictured here?
Atomic Orbital Model
Quantum Mechanical Model
Billiard Ball Model
Plum Pudding Model
10
Which of the following rules states that Electrons will fill in an atom from the lowest energy level to the highest?
Uncertainty Principle
Hund's Rule
Aufbau Principle
Pauli Exclusion Principle
11
Which of the points to Dalton's atomic theory need correcting?
Compounds are made of atoms of more than one element bonded together.
Atoms are indestructible and cannot be broken.
Elements are made of Atoms.
Atoms of the same element are identical in every way.
12
Which of the following shells can only hold 3 Pairs with 6 total Electrons?
F
D
P
S
13
Which electron shells make up the Valence Level?
D & F
P & D
S, P & D
S & P
14
In the electromagnetic spectrum the danger line, above which has the energy to cause cancer is found in which zone?
InfraRed
Gamma Rays
Ultraviolet
Visible Light
15
An electron that has absorbed energy is said to be at an Excited state.
True
False
16
Which of the following shells can only hold 1 Pair with 2 total Electrons?
S
D
P
F
17
Who is given credit for discovering the Electron in the atom?
J J Thomson
Henry Moseley
Ernest Rutherford
James Chadwick
18
When an atom ______energy it goes to a higher energy level state, it then jumps back down as it _____ the energy.
gobbles up emits
absorbs releases
absorbs emits
gobbles up releases
19
In wave mechanics, what is represented by λ meaning the distance between the same point on two adjacent waves?
Velocity
Energy
Wavelength
Frequency
20
X-Rays are Faster than Microwaves?
True
False
21
What is the name of the Atomic Model pictured here?
Plum Pudding Model
Atomic Orbital Model
Billiard Ball Model
Quantum Mechanical Model
22
Who is given credit for discovering the Neutron in the atom?
Henry Moseley
Ernest Rutherford
James Chadwick
J J Thomson
23
The distance from the nucleus to the electron is most closely associated with which of these?
Energy of the Electron
Color of the Electron
Spin of the Electron
Velocity of the Electron
24
In wave mechanics, what is represented by E found by multiplying Planck's Constant by frequency?
Velocity
Wavelength
Energy
Frequency
25
In the electromagnetic spectrum which of the following is not safe to be exposed to large amounts of ?
X-Rays
Ultraviolet Rays
None of these are Safe
Microwaves
26
Which rule states that No two electrons can have the same set of four quantum numbers and cannot occupy the same spot?
Pauli Exclusion Principle
Uncertainty Principle
Hund's Rule
Aufbau Principle
27
Which of the following energy levels could have S, P, D and F shells?
4th Energy Level
3rd Energy Level
2nd Energy Level
1st Energy Level
28
What is the unit that we typically use in chemistry and physics for frequency
Nanometers
Joules
m/s
Hertz
29
What is the name of the Atomic Model pictured here?
Plum Pudding Model
Atomic Orbital Model
Billiard Ball Model
Quantum Mechanical Model
30
What is the Valence number for the atom with an electron configuration of 1S
2
2S
2
2P
6
3S
2
3P
6
4S
2
3D
10
4P
3
?
3
15
5
33
31
Which of the following shells can only hold 5 Pair with 10 total Electrons?
S
D
P
F
32
What element has an electron configuration of 1S
2
2S
2
2P
4
?
Fluorine
Oxygen
Carbon
Nitrogen
33
What is the name of the Atomic Model pictured here?
Billiard Ball Model
Quantum Mechanical Model
Atomic Orbital Model
Plum Pudding Model
34
The name for the state that electrons are in with their typical amount of energy in a neutral form of the atom.
Relaxed State
Ground State
Excited State
Normal State
35
In the Picture what information is given by the 1?
# of Electrons in the Shell
Energy Shell
Orbital Pair
Energy Level
36
Which valence number is almost always the most stable?
3
8
4
1
37
What is the Valence number of Nitrogen (1S
2
2S
2
2P
3
)?
3
2
5
7
38
In the Picture what information is given by the s?
Orbital Pair
Energy Shell
# of Electrons in the Shell
Energy Level
39
Which of the following Pairs is Correct?
As λ increases, ν increases and E decreases
As λ increases, ν decreases and E increases
As λ increases, ν decreases and E decreases
As λ increases, ν increases and E increases
40
Who is given credit for discovering the Proton in the atom?
Ernest Rutherford
J J Thomson
James Chadwick
Henry Moseley
