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Honors Unit 2 Electron Configuration Review Flashcards | StudBud
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Honors Unit 2 Electron Configuration Review
Honors Unit 2 Electron Configuration Review
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Unit 2 test review
Flashcards
50 cards
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Questions
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Answers
1
Which color light is highest in energy?
green
violet
yellow
orange
2
The visible light spectrum spans the wavelengths
300-500 nm
300-700 nm
400-700 nm
400-1000 nm
3
If the atomic number is 7 and the mass number 17 how many protons does the atom have?
7
8
10
9
4
How many orbitals are found in the 4d sublevel?
1
10
5
3
5
What element's electron configuration ends with 4d
4
?
Tungsten
Selenium
Molybdenum
Chromium
6
The highest energy sublevel in the 3rd energy level is
3f
3d
3s
3p
7
The average mass of all the isotopes for a given atom is called ___________.
average mass number
average atomic number
average atomic mass
average nuclear mass
8
Which model of the atom is this?
Nuclear Model
Bohr
Quantum Mechanical Model
Plum Pudding
9
If the atomic number is 7 and the mass number 17 how many neutrons does the atom have?
10
7
9
8
10
Two different
isotopes
will have...
different protons, same neutrons
different protons, different neutrons
Same protons, same neutrons
Same protons, different neutrons
11
Electron Configuration superscripts indicate
the energy level
valence electrons
number of electrons in a given sublevel
orbital shape
12
The first jack-o-lanterns were made from ________.
spaghetti squash
turnips
pumpkins
potatoes
13
Carbon has one empty 2p orbital.
false
true
14
Lower energy orbitals are filled before higher energy orbitals according to which rule?
Aufbau Principle
Pauli Exclusion Principle
Hund's Rule
Heisenberg Uncertainty Principle
15
According to the Aufbau Principle, which sublevel is filled after 6s?
5f
6p
5d
4f
16
Which of the following would have the longest wavelength?
Gamma Rays
red light
X-rays
radio waves
17
The amplitude of a wave is its
energy
length
speed
height
18
Who stated that it is impossible to know both the position and the velocity of a particle?
Schrodinger
de Broglie
Bohr
Heisenberg
19
How many electrons are found in the 4th energy level for an atom of Germanium?
4
10
14
2
20
Which ion with a +2 charge is represented by the electron configuration: [Ar]4s
2
3d
10
4p
6
Oxygen
Strontium
Calcium
Magnesium
21
What answer represents the mass number?
2
He
4
6
22
The highest energy sublevel in an atom of Samarium is
5f
6s
4f
6f
23
How many electrons can be contained in the 3rd energy level?
8
9
2
18
24
What experiment is JJ Thomson known for?
Spectral Line experiment
Cathode Ray tube experiment
Oil Drop experiment
Gold foil experiment
25
Sodium has 11 protons, 12 neutrons and 11 electrons. What is it's mass number?
12
11
22
23
26
According to this model of the atom, electrons are most likely to be found:
outside of the electron cloud
along the outer edge of the electron cloud
closest to the nucleus
in the nucleus
27
Which of the following is/are isoelectronic to Ar?
[Cl]-
all of the above?
[S]2-
[K]+
28
Identify the element with the following abbreviated electron configuration: [Kr]5s
2
4d
10
5p
2
Sn
Sr
Se
Ge
29
Which statement best matches JJ Thomson's plum pudding theory?
A central positive nucleus surround by shells of electrons.
Negative matter dotted with protons.
Neutral matter dotted with protons and electrons.
Positive matter dotted with electrons.
30
Is pumpkin a fruit or a vegetable?
fruit
vegetable
31
A group of witches is called a _____________.
coven
wicken
gaggle
friend group
32
Strontium 90 has a mass number of?
38
90
52
27
33
What does isoelectronic mean?
Having no electrons.
Having electrons with positive charges.
Having electrons with opposite charges.
Having the same number of electrons.
34
The first five sublevels in correct filling order are
1s 2s 3s 1p 2p
1s 2s 3s 4s 5s
1s 2s 3s 2p 3p
1s 2s 2p 3s 3p
35
All isotopes of an element have the same atomic number ?
True
False
36
Who performed the famous 'gold foil experiment'?
Dalton
Thomson
Rutherford
Bohr
37
As the mass number of the isotopes of Hydrogen increases, the number of protons __________.
I have no idea.
decreases
increases
stays the same
38
Isotopes are atoms that have the same number of protons, but a different number of...
electrons
charges
protons
neutrons
39
Which of the following is not a type of electromagnetic radiation?
Gamma Rays
MRI
Visible Light
UV Rays
40
Each year, how many pounds of candy corn is produced?
35 million
35 billion
5 billion
5 million
41
How many orbitals are found in the 4th energy level?
9
32
18
16
42
An atom's electron configuration describes
the arrangement of the electrons
the shape of the atom
the shape of the electrons
the shape of the orbitals
43
Which element is [Na]
+
isoelectronic to?
Ca
Mg
Ne
Ar
44
Which of the following would have the greatest frequency?
X-rays
Gamma rays
radio waves
blue light
45
How many electrons are found in the highest energy sublevel for Chlorine?
2
5
7
4
46
Unpaired electrons in orbitals are a consequence of
Aufbau Principle
Schrodinger's Equation
Hund's Rule
Pauli Exclusion Principle
47
The units of frequency are
Hz
nanometers
Joules
meters
48
Isotopes of an element have the same number of ____ and a different number of ____
protons; electrons
electrons; neutrons
protons; neutrons
neutrons; electrons
49
Where did bobbing for apples originate?
Rome
London
New York
Berlin
50
What country did Jack-O-Lanterns originate from?
England
Ireland
United States
Italy
