Electromagnetic Spectrum
Long wavelength indicates ____ frequency.
low
What does c represent? What is the value of c?
speed of light
c = 3.00 x 108 m/s
The quantum model describes electrons as both ___ and ___.
waves and particles
What does the principal quantum number describe?
energy level
What is the noble gas notation for O2-?
[Ne]
Short wavelength indicates ___ frequency.
high
What does h represent? What is the value of h?
Planck's constant
h= 6.63 x 10-34 J x s
What is a node?
An area where there is zero probability of finding an electron
What does angular momentum describe?
orbital shape
What is the noble gas notation for Rb+?
[Kr]
Which wave has the highest frequency?
gamma rays
What does v or f represent? What are the units of v or f?
v or f represents frequency
units: Hz or s-1
What do orbitals describe?
Orbitals describe an area where you're likely to find an electron
What does magnetic describe?
orbital orientation in space
What is the noble gas shorthand for Fe?
[Ar]4s23d6
Which wave has the lowest frequency?
TV/radio waves
What does λ represent? What unit is λ measured in?
measured in m or nm
What are the four types of orbitals?
s, p, d, f
What does spin describe?
electron spin
What is the noble gas shorthand for Sr?
[Kr]5s2
List the electromagnetic spectrum in order of longest wavelength to shortest wavelength.
TV/radio, microwave, infrared, visible, UV, x-rays, gamma rays
What are the three equations used in this chapter?
E = h x v
E = h x c/λ
c = λ x v
What is the electron capacity of each orbital?
s orbital - 2 electrons
p orbitals - 6 electrons
d orbitals - 10 electrons
f orbitals - 14 electrons
What are the four quantum numbers discussed in this chapter? What are their symbols?
principal quantum number - n
angular momentum - l
magnetic - ml
spin - ms
What is the noble gas shorthand for Zn?
[Ar]4s23d10