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WorksheetsGEN CHEM 1 QUARTER 2 MODULE 1 POST TEST
Total questions: 15
Worksheet time: 28mins
Which of the following statement is true based on Heisenberg’s Uncertainty Principle?
the electrons are found in a definite location around the nucleus
the electrons move in known speed and location around the nucleus
it is impossible to locate the exact location and momentum of electrons
the electrons move at a specific speed, but the location cannot be determined
The exact location of an electron cannot be determined but the probable location can be determined which is define by __________________.
Probability mass
Probability density
Probability cloud
Probability location
What set of values is used to define the probable location of the electron?
Heisenberg numbers
Location numbers
Atomic numbers
Quantum numbers
Which of the following symbols does not belong to the group?
n
m
l
ml
What principle states that there should be no two electrons in an atom can have the same set of four quantum numbers?
Hund’s Rule
Aufbau Principle
Pauli Exclusion Principle
Heisenberg’s Uncertainty Principle
What is the designation for the subshell with n=5 and l=1?
5d
5f
5p
5s
If a subshell has 3 orbitals, what are the values for each of these orbitals?
-1, 0, 1
0, 1, 2, 3, 4
-2, -1, 0, 1, 2
-3, -2, -1, 0, 1, 2, 3
Given the electron configuration of Phosphorus, 1s22s22p63s23p3, how many unpaired electrons does this atom possess?
one
two
three
four
What is the correct electron configuration of Gallium, Ga?
1s22s22p63s23p63d104s24p1
1s22s22p63s23p64s23d104p1
1s22s22p63s23p23d144s24p1
1s22s22p83s23p83d84s24p1
Which of the following quantum numbers is associated with the orientation of atomic orbital?
Principal quantum number
Azimuthal quantum number
Magnetic quantum number
Spin quantum number
Which of the following quantum numbers explains why are some atoms are bigger than others due to the distance of electrons from the nucleus?
Principal quantum number
Azimuthal quantum number
Magnetic quantum number
Spin quantum number
It is referred to as the subdivision of orbitals following a specific electron cloud shape.
lobes
orbital
shell
subshell
The following are all paramagnetic except ______________.
Aluminum
Bohrium
Cadmium
Iodine
Diamagnetism is the property of atoms with all their orbital filled with paired electrons. Which among the choices is diamagnetic?
Chromium
Potassium
Vanadium
Xenon
What is the correct orbital diagram of Nitrogen?
