Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about atomic spectra and their applications are correct?
A
Atomic spectra can uniquely identify unknown elements.
B
All elements emit the same spectral lines when energized.
C
Spectroscopic methods have been used to discover elements like helium.
D
Characteristic lines in atomic spectra are similar to fingerprints for identification.
Correct Answer
Option A
Detailed Explanation
Statements A, C, and D are correct as atomic spectra are unique for each element and have been used in the discovery of helium. Statement B is incorrect because different elements emit different spectral lines.
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