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Electrons Review Flashcards | StudBud
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Electrons Review
Electrons Review
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#Chemistry #Electrons
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
According to the quantum theory of an atom, in an orbital
an electron's position cannot be known precisely
electrons cannot be found
an electron has no energy
electrons travel around the nucleus on specific paths
2
If electrons in an atom have the lowest possible energies, the atom is in the
inert state
excited state
radiation-emitting state
ground state
3
A spherical electron cloud surrounding an atomic nucleus would best represent
a combination of an s and all p orbitals
an s orbital
a px orbital
a combination of px, py, and pz orbitals
4
The element with electron configuration 1
s
2
2
s
2
2
p
6
3
s
2
3
p
2
is
Mg (Z = 12)
S (Z = 16)
C (Z = 6)
Si (Z = 14)
5
The
p
orbitals are shaped like
dumbbells
electrons
spheres
circles
6
Which model of the atom explains why excited hydrogen gas gives off certain colors of light?
the de Broglie model
the Bohr model
Rutherford's model
Planck's theory
7
For an electron in an atom to change from the ground state to an excited state,
energy must be released
radiation must be emitted
an electron must transition from a higher to a lower energy
energy must be absorbed
8
An element with 8 electrons in its highest main energy level is a(n)
Aufbau element
third period element
noble gas
octet element
9
How many roads must man walk down?
far too many
42!
this question is nonsense, and I refuse to answer
before you call him a man?
10
Which model of the atom explains the orbitals of electrons as waves?
the Bohr model
the quantum model
plum pudding model
Rutherford's atomic model
11
The electron notation for aluminum (atomic number 13) is
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p9
1s2 2s2 2p3 3s2 3p3 3d1
1s2 2s2 2p6 3s2 2d1
12
What is the electron configuration for nitrogen, atomic number 7?
1s2 2s3 2p2
1s2 2s3 2p1
1s2 2s2 2p3
1s2 2s2 2p2 3s1
13
The Bohr model of the atom was an attempt to explain hydrogen's
density
flammability
mass
line-emission spectrum
14
The electron configuration for the carbon atom (C) is 1
s
2
2
s
2
2
p
2
. The atomic number is
3
6
11
12
15
The size and shape of an electron cloud are most closely related to the electron's
mass
charge
energy
spin
16
When the pink-colored light of glowing hydrogen gas passes through a prism, you will see
black light
four lines of different colors
all the colors of the rainbow
only lavender-colored lines
