EASY
11th Maharashtra Board
IMPORTANT
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Write condensed orbital notation of electronic configuration of the following element:

Chlorine (Z=17)

Important Questions on Structure of Atom

EASY
11th Maharashtra Board
IMPORTANT

 Write condensed orbital notation of electronic configuration of the following element:

Calcium (Z=20)

HARD
11th Maharashtra Board
IMPORTANT
Draw shapes of 2s and 2p orbitals.
EASY
11th Maharashtra Board
IMPORTANT
Explain in brief, the significance of azimuthal quantum number.
HARD
11th Maharashtra Board
IMPORTANT
If n=3, what are the quantum numbers l and ml?
HARD
11th Maharashtra Board
IMPORTANT
The electronic configuration of oxygen is written as 1s2 2s2 2px2 2py1 2pz1 and not as 1s2 2s2 2px2, 2py2 2pz0, Explain?
MEDIUM
11th Maharashtra Board
IMPORTANT
Write note on 'principal quantum number'.
HARD
11th Maharashtra Board
IMPORTANT
Using concept of quantum numbers, calculate the maximum numbers of electrons present in the 'M' shell. Give their distribution in shells, subshells and orbitals.
MEDIUM
11th Maharashtra Board
IMPORTANT

Indicate the number of unpaired electrons in :

Si(Z=14) and Cr(Z=24)