Back to AI Flashcard MakerChemistry /Electromagnetic Radiation and Quantum Theory
the distance from crest to crest or trough to trough
wavelength
Tap or swipe ↕ to flip
Swipe ←→Navigate
1/44
Key Terms
Term
Definition
the distance from crest to crest or trough to trough
wavelength
the number of crests of a wave passing stationary point of reference per unit of time
frequency
the height of the crest or depth of the trough
amplitude
bending of light waves when passing between media of different densities
refraction
contains all wavelengths of light
continuous spectrum
what happens when we look at a hydrogen lamp
when atoms are heated, they omit light
Related Flashcard Decks
Study Tips
- Press F to enter focus mode for distraction-free studying
- Review cards regularly to improve retention
- Try to recall the answer before flipping the card
- Share this deck with friends to study together
| Term | Definition |
|---|---|
the distance from crest to crest or trough to trough | wavelength |
the number of crests of a wave passing stationary point of reference per unit of time | frequency |
the height of the crest or depth of the trough | amplitude |
bending of light waves when passing between media of different densities | refraction |
contains all wavelengths of light | continuous spectrum |
what happens when we look at a hydrogen lamp | when atoms are heated, they omit light |
consist of bright lines at discrete wavelengths on a dark background | atomic emission spectra |
which of the following types of electromagnetic radiation have higher frequencies than visible light and which have shorter frequencies than visible light? | higher frequency: x rays, gamma rays, ultraviolet light
lower: microwaves, infrared radiation, radio waves |
which have longer wavelength & which have shorter wavelength? | longer: radio waves, microwaves, infrared radiation
shorter: xrays, ultraviolet light, gamma rays |
which radiation has the shortest wavelength? a) radio waves from an AM radio station broadcasting at 680 kHz b) infrared radiation emitted by the surface of earth c) microwave radiation used to warm food d) there is not enough info to answer this | b) infrared radiation emitted by the surface of earth |
which of the following properties of electromagnetic radiation are described by wavelength behavior? a) light is diffracted as it bends around the edges of objects b)coherent, monochromatic light sources may interfere c) light is refracted as it goes from one transparent medium to a different transparent medium d) the energy of light is present in photons | a, b, c |
which of the following have quantized values? a) the pitch of a note played on a flute because the pitch is dependent on the # of holes that are open/closed b) the pitch of a note played on a slide trombone becasue the pitch varies based on the position of the slide c) the energy needed to excited an electron from a lower energy orbital to the next energy level d) the wind speed on top of mt. everest because the wind varies continuously | a, c |
state the heisenberg uncertainty principle | we cannot determine both the position and the momentum of an electron in an atom at the same time |
n=2, l=1 | 2p |
n=2, l=0 | 2s |
wavelength behavior of radiant energy: | refraction
diffraction/interference |
particle like behavior of radiant energy | photoelectric effect
quantized packets of energy |
the interaction of waves in which their amplitudes either reinforce or cancel | interference |
discrete energy levels | quantized states |
unquantized states | smooth transition between levels |
having values restricted to whole number multiples of a specific base value | quantized |
the smallest discrete quantity of a particular form of energy | quantum |
phenonmenon of light striking a metal surface and producing an electric current | photoelectric effect |
electrons orbit at fixed, specific distances from the nucleus the energy of each orbit is quantized, meaning fixed like a ladder the energy of each level is specified by the quantum numbers | bohr model of atom |
an electron that absorbs energy moves to a ____ level | higher (excited) |
an electron that emits energy moves to a ____ level | lower |
IE ____ across a row and ____ down a column | increases across and decreases down |
atomic radius _____ across a row and ______ down a column | decreases across & increases down |
choose the light that would have the longest wavelength a) 10^12 hz b) 10^21 hz c) 10^1 hz d) 10^3 hz | c |
the quantum number that describes the orientation of an orbital in space is | ml |
which type of orbital is shaped like a dumbbell with 2 lobes | p |
for the element boron, the 4th ionization energy is much larger in magnitude than the 3rd ionization. what is the main reason for this | because core electrons are beginning to be removed for the 4th ionization for boron |
smaller effective nuclear charge= | larger atom |
larger effective nuclear charge= | smaller atom |
n=1 | 0 |
n=2 | 0
1 |
n=3 | 0
1
2 |
n=4 | 0
1
2
3 |
arrow going up | absorption |
arrow going down | emission |
an ionic bond occurs between | metal and nonmetal |
covalent bond occurs between | nonmetal and non metal |
metallic bond is between | metal and metal |
in which type of bonding are the electrons free to move between the different atoms | metallic |