Atomic StructureMedium
Question
Consider 2 hydrogen like ions A and B. Ionization energy of A is greater than that of B. Let r, u, E and L represent the radius of the orbit, speed of the electron, energy of the atom and orbital angular momentum of the electron respectively. In ground state:
Options
A.rA > rB
B.uA > uB
C.EA > EB
D.LA > LB
Solution
ᐃE = ionization energy
= 13.6 × z2 eV
ᐃEA > ᐃEB ⇒ ZA > ZB
L =
∴ LA = LB
E = energy of the orbit
EA < EB
u α
∴ uA > uB
r α
∴ rA < rB .
= 13.6 × z2 eV
ᐃEA > ᐃEB ⇒ ZA > ZB
L =
∴ LA = LB
E = energy of the orbit
EA < EB
u α
∴ uA > uB
r α
∴ rA < rB .
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