Chemistry Flashcards
1
Q
mass number
A
p+n
2
Q
energy of an electron
A
E= Rh - 1/ni ^2 - 1/nf ^2
3
Q
same atomic number different mass number
A
isotope
4
Q
avogadros number
A
6.01 x 10 ^23 moles
5
Q
6 x 10 ^23 carbons atoms have a combined mass of 12 g
A
moles
6
Q
Energy of a photon
A
E=hf
7
Q
speed of light
A
3 x 10 ^8 m/s
8
Q
speed of light equation
A
c= lambda f
9
Q
filling of electrons
A
Hund’s Rule
10
Q
impossible to know simult. position and momentum of an electron
A
Heisenburg uncertaintly principle
11
Q
no two e- possess the same quantum numbers
A
Pauli Exclusion
12
Q
max # of e- within a shell
A
2n^2
13
Q
max # of e- in a subshell
A
4l+2
14
Q
magnetic orbital quantum number
A
ml
15
Q
azimuthal
A
l
