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Worksheets10A-Electron Configuration
Total questions: 20
Worksheet time: 11mins
Which of these has the longest wavelength?
Radio waves
Gamma Rays
Infrared
Microwaves
Hund's rule states that
electrons occupy orbital of lowest energy first
orbitals can have at most 2 electrons
orbital follow an order of energy
electrons occupy orbital with the same spin first
The first four orbitals are ________
a, b, c, d
w, x, y, z
s, p, d, f
All of the above
According to the aufbau principle;
an orbital may be occupied by up to two electrons
electrons enter orbitals of lowest energy first
one electron in every orbital in a sublevel before a second is added
electrons in the same orbital must have different spins
What is the electron configuration of Oxygen
1s22s2
1s22s22p5
1s22s22p4
1s22s22p6
What is the meaning of electron configuration?
The arrangement of neutrons of an atom or molecule
The arrangement of electrons of an atom or molecule
The arrangement of protons of an atom or molecule
All of the above
A photon has energy of 2.93 x 10-25J. What is its frequency if the planck constant is 6.626 x 10-34? Equation: E=hv
1.9 x 10-58 Hz
2.3 x 10-9 Hz
4.4 x 108Hz
1.5 x 108 Hz
What is an electron cloud?
a cloud in the sky
a probable location where electrons are found
where electrons are 100% of the time
none of the above
What is a valence electron?
An electron inside the nucleus.
An electron on the outermost orbital
An electron on the innermost orbital
None of the above
The Pauli Exclusion Principle says:
Only 2 electrons can occupy an orbital
Electrons fill the lowest energy level first
Electrons in the same orbital must have opposite spins
All of the above
What atom has the following electron configuration?
Calcium
Boron
Sodium
Iron
The three electron configuration rules are
Aufbau, Pauli, Heisenberg
Pauli, Hund, Einstein
Aufbau, Schrodinger, Pauli
None of the above
Amplitude is.....
Distance from the origin to the trough
Distance from crest to crest
Distance from the origin to the crest
The length of the origin
Electron configuration for Phosphorus
1s22s22p63s23p3
1s22s22p63s5
1s22p53d10
1s22s22p63
Using c = 3 x 108 m/s, the wavelength of light with a frequency of 5.5 x 1014 Hz is; (C =
λ x v)5.5 x107 m
1.8 x 106 m
5.5 x 10-7 m
1.65 x 1023 m
Light is both a wave and a _________
wind
crystal
colour
particle
Orbitals are represented using
boxes
arrows
lines
None of the above
A photon is a
a massless particle that carries 2 quantums of energy
a massive particle that carries no energy
massless particle that carries a quantum of energy.
a massive particle that carries waves
As the frequency increases, the energy _________
decreases
stays the same
increases
None of the above
What is the noble gas notation of Chlorine?
[Ne] 3s² 3p⁵
[Ar] 4s² 4p⁵
[He] 3s² 3p⁵
[Kr] 3s² 3p⁵
