Question

An orbital of smaller size means there is more chance of finding the electron near the nucleus. Similarly shape and orientation mean that there is more probability of finding the electron along certain directions than along others. Atomic orbitals are precisely distinguished by what are known as quantum numbers. Each orbital is designated by three quantum numbers labeled as n, I and m


(i) The quantum number which determines the size and energy of the orbital:
(a) Azimuthal quantum number
(b) Spin orbital quantum number
(c) Principal quantum number.
(d)Magnetic orbital quantum number


(ii) The orbital can be distinguished by their____________:
(a) Length, atomic radius, shape
(b) Atomic radius, size and density
(c) Size, shape and atomic radius
(d) Size, shape and orientation



(iii) The three-dimensional shape of orbital is given by:
(a) Azimuthal quantum number
(b) Spin orbital quantum number
(c) Principal quantum number
(d) Magnetic orbital quantum number



(iv) Total number of orbitals associated with third shell will be____________.
(a) 2 (b) 4 (c) 9 (d) 3​

Answer 1

Answer:

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