D= m / V
Density= mass / volume
Avagadro’s number
6.022 x 10^24 “particle” / mole
1mL = 1 m3
volume
Frequency
v, waves per second or Hz (hz = 1 s^1)
Wavelength
lamda, m/s
Speed of light
c=2.998 x 10^8 m/s
E
Energy, Joules (J)/mol
H
=6.626 x 10^-34 Jxs/photon
V=D/m
to find volume
D
density, g/cm^2
M
mass, grams