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WorksheetsUnit 4: Electrons
Total questions: 32
Worksheet time: 27mins
How many energy levels are on the periodic table?
4
5
6
7
What element has the configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4
Silicon
Selenium
Sulfur
Arsenic
An orbital (box) can hold how many electrons
1
2
3
6
Which of the following is not a sublevel
s
p
f
g
What element ends in: 4d8
Pd
Pt
Ni
Ag
T/F: Electrons fill orbitals one at a time until each has one before they start to double up
True
False
How many orbitals (lines/boxes) does the sub level 'p' have?
1
3
5
7
The f sub level can hold this many electrons
12
10
14
6
Gold's electron configuration ends in ___________
6d9
5d9
5f9
6p9
How many electrons in this configuration? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p5
53
54
35
85
T/F The s block is located on the left hand side of the table and has two columns
True
False
Cadmium's (Cd) electron configuration ends with____________
4d9
5d10
3d9
4d10
T/F The arrows MUST go in opposite directions in an orbital
True
False
T/F: 4d will fill before 5p
True
False
How many electrons are in this configuration? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
20
56
55
38
What is the shape of the P sublevel?
Sphere
Dumbbell
Triangle
Circle
What is the relationship between wavelength and frequency?
Direct
Inverse
What color has the longest wavelength?
red
yellow
green
purple
What is the frequency of light with a wavelength of 6.50 x 10-7?
1.95 x 102
4.61514
4.62 x 1014
2.17 x 10-15
What is the relationship between energy and frequency?
Direct
Inverse
When is visible light given off from an electron?
when it absorbs a quantum of energy
when it returns to the ground state
when it's in the excited state
when it jumps up and down
The dual nature of light deals with light as________
a wave
a particle
both a wave and a particle
neither
What is the amount of energy absorbed by an electron called?
a quantum
quirk
charm
photon
Number of wave cycles that pass in an amount of time:
quantum
frequency
atomic emission spectrum
wavelength
What states the impossibility of knowing both the velocity and position of an electron at the same time?
Aufbau Principle
Heisenberg Uncertainty Principle
Hund's Rule
Pauli Exclusion Principle
Each orbital has at most 2 electrons with opposite spins
Aufbau Principle
Heisenberg Uncertainty Principle
Hund's Rule
Pauli Exclusion Principle
Frequencies of light emitted by an element is called:
excited state
ground state
quantum
atomic emission spectrum
How many atomic orbitals are in the 3rd energy level?
s
s, p
s, p, d
s, p, d, f
Who said matter can be both waves and particles (has a dual nature)?
Heinsenberg
Shrodinger
Einstein
Bohr
How many unpaired electrons does Selenium (Se) have?
0
1
2
3
What are the quanta of light called?
photons
excitons
charms
muons
What element is this: [Ar]4s23d104p3?
As
Ge
Sb
Kr
