Structure of atom Flashcards
(36 cards)
1
Q
Charge of 1 e
A
-1.6 * 10^-19 C
2
Q
Mass of 1 e
A
9.1 * 10^-31 Kg
3
Q
Specific charge
A
charge/mass= 1.75 * 10^11 C/Kg
4
Q
Charge of 1 mole e
A
96500 C
5
Q
Charge of proton
A
+charge of e
6
Q
Centrifugal force (Fc)
A
mv^2/r
6
Q
Mass of proton
A
1.676 * 10^-27 Kg
7
Q
Angular momentum (J) for 1st&2nd orbit and nth orbit
A
1[h/2pie] & 2[h/2pie] and n[h/2pie]
7
Q
Specific charge of proton
A
charge of proton/mass of proton
7
Q
Planck’s constant
A
6.626*10^-34 J/S
8
Q
Electrostatic force (Fe)
A
KZe^2/r^2 or q1q2/r^2
9
Q
Velocity of e
A
2.18*10^6[Z/n]
9
Q
Angular momentum of an electron by bohr
A
mvr=nh/2pie
10
Q
Value of K
A
1/4pieE0
11
Q
total energy
A
-13.6[Z^2/n^2]ev
12
Q
K.E of e
A
13.6[Z^2/n^2]ev
12
Q
P.E of e
A
-2K.E
12
Q
Ionization energy
A
+K.E
13
Q
T.E of e
A
-K.E
13
Q
1/lambda
A
R[1/n1^2-1/n2^2]Z^2
14
Q
Azimuthal Q.N (l)
A
l= 0 to (n-1)
15
Q
Frequency (v)
A
1/T
16
Q
Magnetic Q.N (m)
A
-l to +l
17
Q
velocity
A
lambda/T
17
Wave no.
1/lambda
18
Energy of photon
hc/lambda
19
speed of light
3*10^8 m/s
20
Energy of photon (numerical) to its wavelength
12400/lambda ev
21
Momentum in term of K.E
P=√2k.e m
22
Electrical work done
lambda= h/√2qvm
22
Debroglie Wave length
lambda= h/mv
23
no. of orbital
n^2
24
no. of e in orbital
2n^2
25
no. of orbital in subshell
2l+1
26
no. of e in subshell
2(2l+1) or 4l+2
27
radius
0.53[n^2/Z] A^0
