Chapter 5.3 Study guide
Wavelength
The distance between two crests
Amplitude
The wave’s height from zero to the crest
Frequency
The number of wave cycles to pass a given point per unit of time
Hertz
The units of frequency are usually cycles per second. The Si unit of cycles per second is called a
Constant
The product of wavelength and frequency always equals a _____, the speed of light
Inversely
The wavelength and frequency of light are _____ proportional
Radio waves, microwaves, infrared, ultraviolet, x rays, gamma rays
What kinds of visible and invisible radiation are included in the electromagnetic spectrum?
Spectrum
When sunlight passes through a prism, the different wavelengths separate into a ______ of colors
Red, orange, yellow, green, blue, and violet
What are the visible colors (in order of increasing frequency)
Radio waves
What type of radiation has the lowest frequency?
Gamma rays
The highest frequency
They get energized causing them to emit light
What happens when an electric current is passed through the gas or vapor of an element?
Atomic emission spectrum
Passing the light emitted by an element through a prism gives the _____ _____ ____ of the element
Cannot
The emission spectrum of an element _____ be the same as the emission spectrum of another element
Higher, lower
Only electrons moving from _____ to _____ energy levels lose energy and emit light
Photon
What did Albert Einstein call the quanta of light energy?
Ground state
What is the lowest possible energy of an electron called?
That all moving objects have wavelike behavior
What does de Brogile’s equation predict about the behavior of particles?
Waves
Quantum mechanics describes the motions of subatomic particles and atoms as ____
Velocity, position
According to the Heisenberg uncertainty principle, it is impossible to know exactly both the ____ and the ____ of a particle at the same time
Small particles
The Heisenberg uncertainty principle only applies to?
