1
Light is made up of massless particles called ______.
photons
T/F - An electron can behave only as a wave.
False - it can behave as a wave and a particle
What is the shape of s sublevel?
How many orbitals are in the p sublevel?
3
How many orbitals are in the f sublevel?
7
The s, p, d, and f sublevels are identified by _____ quantum numbers.
principal
What do you call the condition in which electrons act as both a particle and a wave?
wave-particle duality
How many orbitals does the s sublevel contain?
ONE
What is the shape of the p sublevel?
dumbbell
What is the maximum number of electrons that can be present in the f orbital?
14
The total number of electrons in a principal level is equal to _____.
2n2
T/F - No orbital can hold more than two electrons.
True
S orbital can hold a maximum of how many electrons?
2
5
Principal energy levels become ____ in size as their energy level number increases.
larger
The type of sublevel found in all principal energy levels is the _____ sublevel.
s
The three-dimensional regions where an electron is most likely to be found are called?
orbitals
How many electrons can the p sublevel hold at maximum capacity?
6
What is the maximum number of electrons that the d sublevel can hold?
10
What so we call the diagram that has parallel diagonal lines that helps you remember filling order?
diagonal rule
T/F - Orbitals with higher energies predict that an electron's average distance from the nucleus is greater than those with lower energies.
True
What principle states that it is impossible to know both the energy and exact position of an electron at the same time?
Heisenberg uncertainty principle
The two electrons in a sublevel have to have opposite what?
spin
What is the shape of the d sublevel? (HINT - 4 are a certain shape and the fifth is different)
4 are four leaf clover shaped the other is like a dumbbell with a donut around the center.
Only ground-state atoms with ____ or more principal energy levels may have an f sublevel.
4