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Chem Chapter 5

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Lewis electron dot diagram
A depictation of the outer electrons around the symbol of an element is a notation known as a(n) ___.
3
How many pairs of electrons can a p level hold?
3
The two electrons in the outermost level of strontium are designated 5s2. How many quantum numbers would these two electrons have in common?
position and momentum of an electron at the same time.
Heisenberg;s uncertainity principle pointed out that it is impossible to know the exact...
principal quantum number
The letter "n" represents the ___ which describes energy level.
a collosion between a photon and an electron
Quantum mechanics would be used to predict the behavior of which of the following?
sublevel
A(n) ___ is one of many energy states grouped closely together to form an energy level.
wave particle duality of nature
___ refers to the concept of the two-sided nature of waves and particles.
5
How many d orbitals must be occupied by single electrons before the electrons begin to pair up?
4
How many sublevels are present at the forth energy level?
quantum numbers
There are four ___ in Schrodinger's equation that are used in describing electron behavior.
Pauli exclusion princlple
The ___ states that no two electrons in an atom can have the same set of four quantum numbers.
probability of finding an electron at a point in space
By using the square of the absolute value for the electron-wave amplitude Max Born was able to calculate the...
set of quantum numbers
According to Pauli exclusion principle no two electrons in the same atom can have the same...
a series of most probable positions represented by a cloud
In the wave-mechanical view of the atomic structure the pathway or position of an electron is best represented as...
s,p,d
Which of the following designates the sublevels that exist in energy level 3?
1s22s22p63s23p1
What is the electron configuration for Aluminum?
Heisenberg uncertanity principle
That there is always some uncertainity about the position and momentum of an election is a statement called the ___.
degenerate
Orbitials occupied by elections having the same energy are said to be ___.
size of the electron cloud
The principle quantum number best describes which of the following characteristics?
8
What is the maxium number of electrons that can occupy energy level 2?
4d
Which of the following orbital is a rosette in shape?
ls22s22p3
The electron configuration of the nitrogen atom (Z=7) is...
ls22s2sp63s23p3
Which of the following is the electron configuration of the phosphorous atom (Z=15)?
probability
The ___ for a location is the mathematical chance of finding an electron at that point in space.
electron cloud
The volume of the region in space where an electron is located is referred to as a(n) ___.
momemtum
A vector quantity consisting of mass velocity is the ___ of an object,
orbital
A(n) ___ is the space occupied by one pair of electrons.
n
Which of the following quantum numbers designates the size of the electron cloud?
Newtonian mechanics
Sometimes called classical mechanics, ___ describes the behavior of visible objects traveling at ordinary velocities.
quantum mechanics
The behavior of extremely small particles traveling at speeds near that of light is described by ___.
s
Which of the following quantum numbers indicates the direction of spin?

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