Question

How many statements are correct?
(A) Only three quantum number n, em are needed to define an orbital
(B) Four quantum number are needed for complete description of an electron
(C) Two quantum number n&e are needed to identify subshell energy and shape of orbital
(D) splitting of spectral lines in presence electric field is known as Zeeman effect.​

Answer 1

Answer:

1. TRUE
2. TRUE
3. FALSE
4. FALSE

PROOF AGAINST FALSE STATEMENT

(D) splitting of spectral lines in presence electric field is known as Stark effect.

(C) Three quantum number n,e & m are needed to identify subshell energy and shape of orbital

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