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WorksheetsUnit 2 Part 2 Notes 4: Introduction to Electron Configurations
Total questions: 20
Worksheet time: 15mins
The Quantum Mechanical Model of electrons within an atom says
we can pinpoint the location of an electron in an atom
we cannot pinpoint where an electron is, but we can determine its probability
there's a 50/50 chance of pinpointing the location of an electron in an atom
we cannot determine the probability of an electron's location
_____________ describe the average distance of an electron from the nucleus of an atom.
Orbitals
Sublevels
Principal energy levels
Heisenberg Uncertainty Principle
Where are sublevels found?
within an energy level
within an orbital
within a wave
within an electron
Check all letters that represent sublevels:
s
p
d
f
What is the shape of an s sublevel?
dumbbell
sphere
doughnut
flower
What is the shape of a p sublevel?
peanut/dumbbell
sphere
doughnut
flower
In energy level 1, how many types of sublevels is/are there?
1
3
5
7
Which sublevel(s) is/are present in the 3rd energy level?
3s, 3p, 3f
3s, 3p, 3d
3p, 3d, 3f
3s, 3p
Which energy level contains 4 types of sublevels? (check all that apply):
2
3
4
5
How many electrons can the d sublevel hold?
How many electrons can the p sublevel hold?
14
10
2
6
An orbital is a 3-D region of space where an electron can be found. How many orbitals are in the d sublevel?
1
3
5
7
Which sublevel has 7 atomic orbitals?
s
p
d
f
How many maximum electrons can each orbital contain?
(a)
Orbitals for a particular sublevel are similar in _____, but different in ________ and size.
orientation, shape
momentum, orientation
shape, orientation
orientation, momentum
How many total electrons can the 2nd energy level hold?
2
8
10
18
Which energy level holds only 2 electrons?
s
p
d
f
Which sublevels are in the 3rd energy level?
s
p
d
f
TRUE or FALSE: electrons prefer to occupy the orbitals that require the MOST amount of energy.
True
False
