Structure of atom Flashcards
Charge of 1 e
-1.6 * 10^-19 C
Mass of 1 e
9.1 * 10^-31 Kg
Specific charge
charge/mass= 1.75 * 10^11 C/Kg
Charge of 1 mole e
96500 C
Charge of proton
+charge of e
Centrifugal force (Fc)
mv^2/r
Mass of proton
1.676 * 10^-27 Kg
Angular momentum (J) for 1st&2nd orbit and nth orbit
1[h/2pie] & 2[h/2pie] and n[h/2pie]
Specific charge of proton
charge of proton/mass of proton
Planck’s constant
6.626*10^-34 J/S
Electrostatic force (Fe)
KZe^2/r^2 or q1q2/r^2
Velocity of e
2.18*10^6[Z/n]
Angular momentum of an electron by bohr
mvr=nh/2pie
Value of K
1/4pieE0
total energy
-13.6[Z^2/n^2]ev
K.E of e
13.6[Z^2/n^2]ev
P.E of e
-2K.E
Ionization energy
+K.E
T.E of e
-K.E
1/lambda
R[1/n1^2-1/n2^2]Z^2
Azimuthal Q.N (l)
l= 0 to (n-1)
Frequency (v)
1/T
Magnetic Q.N (m)
-l to +l
velocity
lambda/T
Wave no.
1/lambda
Energy of photon
hc/lambda
speed of light
3*10^8 m/s
Energy of photon (numerical) to its wavelength
12400/lambda ev
Momentum in term of K.E
P=√2k.e m
Electrical work done
lambda= h/√2qvm
Debroglie Wave length
lambda= h/mv
no. of orbital
n^2
no. of e in orbital
2n^2
no. of orbital in subshell
2l+1
no. of e in subshell
2(2l+1) or 4l+2
radius
0.53[n^2/Z] A^0
