3. Electrons

what is the unit for the avagrado number?

particles per mol

what is the unit for amu?

grams per mol

what are energy levels?

3d space where electrons are most likely to be

what term represents the numerical value of energy level?

n

how many energy levels have been found so far

7

when an electron releases energy, it is released as a particle called...

photon

when an electron makes a small jump between energy levels, (less/more) energy is released

less

when an electron makes a big jump between energy levels, (less/more) energy is released

more

red represents (less/more) energy released by electron

less

violet represents (less/more) energy released by electron

more

what term best describes light?

wave-like particle

light can be... (think eyes)

visible or non-visible

what is the speed of light?

3.00x10^8

what is wavelength?

distance between crests

what is frequency?

number of waves per second

what is the unit for speed of light?

m/s

what is the unit for frequency? (mathematical, not name)

1/sec

what equation relates speed of light, wavelength, and frequency?

speed of light = wavelength x frequency

when plugging in wavelength values, always use the unit...

meters

what variable does λ represent? (in terms of light)

wavelength

what variable does v represent? (in terms of light)

frequency

the equation that relates speed of light, wavelength, and frequency belongs to what type of description of light?

wave description of light

what does the particle description of light focus on?

energy emission of light

what formula relates energy and frequency of light?

energy = Planck Constant x frequency

when using the formula that relates energy and frequency of light, the unit for energy is....

joules

what is a quanta?

small specific pocket containing energy

what is a quantum of energy?

minimum quantity of energy that an atom can gain or lose

what is ground state?

the lowest energy state of an atom

when a particle is in excited state, it has....

higher potential energy than its ground state

when a particle returns to ground state....

energy is emitted

when hydrogen is passed through a vaccum tube and and a current passes through...

a pinkish light is emitted

what are the four distinct bands of color that appear in a hydrogen emission-line spectrum called?

Balmer series

what theory did the hydrogen emission-line spectrum experiment give rise to?

quantum theory

how did the hydrogen emission-line spectrum experiment defy classical theory?

it showed atoms would be excited to only certain levels of energy