WorksheetsChem Test 6 (wavelength,atomic structure)
Total questions: 25
Worksheet time: 13mins
Calculate the wavelength (in nm) of the red light emitted by a neon sign with a frequency of 4.84 × 1014 Hz.
Responses
216 nm
808 nm
484 nm
161 nm
620 nm
How many different values of ml are possible in the 6d sublevel?
0
3
2
8
5
In which orbital below would an electron (on average) be closest to the nucleus?
4f
4s
1s
6d
5p
The number of cycles that pass through a stationary point in a given period of time is called
area
frequency
median
wavelength
amplitude
How many orbitals are contained in the third principal level (n = 3) of a given atom?
16
3
6
10
9
Which of the following are a possible values of n and ml for an electron in a 4d orbital?
n = 5 and ml = +1
n = 4 and ml = 0
n = 0 and ml = 0
n = 2 and ml = +1
Which reaction below represents the first ionization of O?
O2-(g) + e⁻ → O3-(g)
O(g) + e⁻ → O⁻(g)
O-(g) → O2-(g) + e⁻
O(g) → O⁺(g) + e⁻
O+(g) + e⁻ → O2+(g)
Which of the following transitions (in a hydrogen atom) represent emission of the longest wavelength photon?
n = 1 to n = 4
n = 3 to n = 4
n = 3 to n = 4
n = 4 to n = 3
n = 3 to n = 2
How many valence electrons does an atom of Ne possess?
7
2
0
8
9
Of the following, which element has the highest first ionization energy?
I
Kr
Te
Sn
The condensed electron configuration of krypton, element 36, is ________.
[Ar]3d104s24p6
[Ar]4s43d4
[Kr]4s23d8
[Ar]4s4
[Kr]4s43d8
Of the following, which atom has the largest atomic radius?
Na
Ar
P
Mg
Describe the shape of a 4s orbital.
spherical
four balls
seven balls
dumbbell shaped
three balls
Which of the following have the same number of valence electrons?
Ga, Sn, Bi
Rb, Sb, I
Cs, Ba, Lu
N, P, As
Ar, Kr, Br
Identify the species that has the smallest radius.
P+3
P2+
P
P4-
P-
Electromagnetic radiation with a wavelength of 575 nm appears as yellow light to the human eye. Calculate the energy of one photon of this light.
1.14 × 10-31 J
3.46 × 10-28 J
1.14 × 10-22 J
3.46 × 10-19 J
2.34 × 1018 J
Electromagnetic radiation with a wavelength of 575 nm appears as yellow light to the human eye. Determine the frequency of this light.
1.73 × 102 s-1
1.92 × 10-15 s-1
5.22 × 1014 s-1
1.25 × 1011 s-1
5.22 × 105 s-1
The distance between adjacent crests is called
median
frequency
area
wavelength
amplitude
Choose the paramagnetic species from below.
O2⁻
Nb3⁺
Zn2⁺
Ca
Cd
Which of the following occurs as the energy of a photon increases?
Planck's constant increases.
The frequency decreases.
The wavelength gets shorter.
The wavelength increases.
None of the above occur as the energy of a photon increases.
A cation of +2 indicates that an element has
gained two electrons.
lost two protons.
lost two electrons.
gained two protons.
lost two neutrons.
Identify the element that has a ground state electron configuration of [Ar]4s23d104p3.
Sb
P
As
N
Lv
The element that corresponds to the electron configuration 1s22s22p5 is
magnesium.
silicon.
chlorine.
fluorine.
neon
What is the maximum number of d orbitals that are possible in a given shell?
3
2
7
5
12
Give the ground state electron configuration for Rb+.
[Ar]4s23d104p6
[Kr]5s24d4
[Kr]
[Kr]4s2
[Ar]4s24p2
