WorksheetsChemistry - Quantum Test
Total questions: 24
Worksheet time: 47mins
Which of the following represent an atom of Chlorine (Cl)?
[Ar]4s24p5
[Ne]3s23p5
[Ne]3s24p5
[Ar]4s23p5
Which arrangement of wavelength, frequency and energy is correct for UV light compared to x-rays?
long wavelength, high energy, low frequency
short wavelength, low energy, low frequency
long wavelength, low energy, low frequency
short wavelength, high energy, high frequency
An atom in period 4, group 12 has a last filled orbital in:
s block
p block
d block
f block
What energy level is next to be filled after the 4s?
5s
3d
4p
4d
Which of the following shows the order of electromagnetic radiation in increasing wavelength?
UV, visible light, x-rays
gamma rays, microwaves, infrared
microwaves, infrared, visible light
ultraviolet, visible light, infrared
An atom of hassium has a total of how many electrons in the p orbitals?
7
14
30
108
How many electrons does the 1s orbital hold for an atom of magnesium?
1
2
4
6
What is the best description of Hund’s Rule?
There cannot be two electrons with the same set of 4 quantum numbers
Electrons fill the lowest energy level before filling higher energy levels
Electrons in the same orbital must go into different sub-orbitals (shapes) before pairing and the electron must be the opposite spin
Electrons must have opposite spins
A line spectrum is produced when an electron moves from one energy level
to a higher energy level
to a lower energy level
into the nucleus
to another position in the orbital
For an electron in an atom to change from the ground state to an excited state,
energy must be emitted
energy must be absorbed
radiation must be emitted
the electron must make a transition from a higher to a lower energy level
The region outside the nucleus where an electron can most probably be found is the
electron configuration
quantum
orbital
nucleus
The electron with the electron configuration 1s22s22p63s23p2 has how many valence electrons
2
4
6
14
What group is the element that has the electron configuration of [Ar]4s2 in?
1
2
3
4
What is described by the diagram below?
wavelength
amplitude
frequency
crest
What is indicated by the vertical line on the diagram below?
wavelength
amplitude
frequency
crest
Which wave has the highest frequency?
top
middle
bottom
They all have the same frequency
What is the identity of the element that has an electron configuration of 1s22s22p63s23p64s23d104p65s24d105p5?
Antimony
Iodine
Flerovium
Strontium
Which orbitals are spheres and are close to the nucleus of the atom?
s
p
d
f
How many different shapes are there for an s orbital?
1
3
5
7
How many total electrons can a d orbital hold?
2
6
10
14
Write the electron configuration for Argon in spdf notation.
Write the electron configuration for Cadmium in noble gas notation.
How many valence electrons does Magnesium have?
The valence electrons in Carbon are in what energy level?
