HARD
11th CBSE
IMPORTANT
Earn 100

State and explain the following : Hund's rule of maximum multiplicity.

Important Questions on Structure of Atom

MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 2 - Structure of Atom>Competition Focus>Q 1
A strong argument in favour of the particle nature of cathode rays is that they
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 2 - Structure of Atom>Competition Focus>Q 2
Which of the following feature of an atom is not a direct result of Rutherford's experiment?
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 2 - Structure of Atom>Competition Focus>Q 3
A metallic ion M2+ has an electronic configuration of 2, 8, 14 and the ionic weight is 56 amu. The number of neutrons in its nucleus is
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 2 - Structure of Atom>Competition Focus>Q 4
Which one is a set of isoelectronic species ?
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 2 - Structure of Atom>Competition Focus>Q 5
In which one of the following pairs, the two species are both isoelectronic and isotopic ? (Atomic numbers : Ca=20, Ar=18, K=19, Mg=12, Fe=26, Na=11).
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 2 - Structure of Atom>Competition Focus>Q 6
The group having isoelectronic species is
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 2 - Structure of Atom>Competition Focus>Q 7
A standing wave in a string 35 cm long has a total of six nodes including those at the ends. Hence, wavelength of the standing wave is
EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 2 - Structure of Atom>Competition Focus>Q 8
For hydrogen atom, Rydberg constant (RH) is x m-1. Then for He+ ion, the corresponding value of this constant will be