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Find a formula
Atomic shell
Hydrogen atom
total energy of electron on nth orbit
E
n
=
J
x
J
electron mass
m
e
=
9.109E-31
kg
elementary electric charge
e =
1.602E-19
C
ordinal number of electron orbit (moving from nucleus)
n =
electric constant
ε
0
=
8.854E-12
F/m
Planck's constant
h =
6.626E-34
J·s
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"