Question | Answer |
energy cannot be created nor destroyed | Law of Conservation of Energy |
radiant energy that travels in the form or waves | electromagnetic radiation |
number of peaks that pass a given point point unit time | Frequency |
distance from one wave peak to the next | wavelength |
height measured from the center of the wave | amplitude |
the smaller the frequency, the ________ the wave | longer |
wavelength X frequency = | Speed |
lambda | wavelength |
nu | frequency |
C | speed of light |
studied the visible glow that solid object emit when heated | Max Plank |
discrete packets of energy | quanta |
discovered Photons | Albert Einstein |
"particles" in electromagnetic radiation | Photons |
nu x lambda = c | Equation for electromagnetic radiation |
E = h*n | equation for energy given off during radiation |
a low-energy state that is stable. | ground state |
Where do electrons normally exist? | ground state |
Electrons absorb energy and jump to an ___________ | excited state |
planetary model | Bohr’s Quantum Model |
Described atom as electrons circling around a nucleus and concluded that electrons have specific energy levels | Niels Bohr |
Thought If light behaves as both particles & waves maybe electrons behave like particles & waves as well | Louis Victor de Broglie |
wrote an equation that treats electrons like waves and tells where an electron will probably be found. | Erwin Schrödinger |
3-D areas where electrons can be found | orbitals |
who created the Uncertainty principle? | Werner Heisenberg |
a way to obey the uncertainty principle & still know something | Probability |
Electrons are like ___________ ______ because we cannot know the exact position of them. | standing waves |
____ _________ show electrons move between discrete energy levels with specific wavelength | Line spectra |
it is impossible to know both the position and velocity of a particle at the same time | Uncertainty Principle |