Module 3 Flashcards
1
Q
Isotopes
A
Atoms with the same number of protons but different numbers of neutrons.
2
Q
Mass number
A
The total number of neutrons and protons in an atom.
3
Q
Particle/wave duality theory
A
The theory that light sometimes behaves as a particle and sometimes behaves as a wave.
4
Q
Wavelength
A
The distance between the crests (or troughs) of a wave.
5
Q
Amplitude
A
A measure of the height of the crests or the depths of the troughs on a wave.
6
Q
Physical constant
A
A measurable quantity in nature that does not change.
7
Q
Frequency
A
The number of wave crests (or troughs) that pass a given point each second
8
Q
When wavelength is large,
A
frequency is small.
9
Q
When wavelength is small,
A
frequency is large.