Read the following statements and mark the incorrect statement.
Chemistry · Class 11 · CBSE — Structure of Atom
Read the following statements and mark the incorrect statement.
- No two electrons in an atom can have all the four quantum numbers same.
- All the orbitals in a subshell are first occupied singly with parallel spins.
- The outer electronic configuration of chromium atom is 3d4 4s2.
- Lyman series of hydrogen spectrum lies in ultraviolet region.
Answer
(C) The outer electronic configuration of chromium atom is 3 d 4 4 s 2 .
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