Which of the Following Statements About Atomic Spectra Is Incorrect

question 28

Multiple Choice

Which of the following statements about atomic spectra is incorrect?

• A)An atom must absorb energy before it can emit a spectral line
• B)Only atoms in the ground state can radiate energy
• C)An electron dropping between two specific energy levels always emits the identical spectral line
• D)No two elements have identical atomic spectra
• E)All of the statements above are correct (choosing this statement indicates that it is correct)

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Definitions:

Sigma Complex

An intermediate stage in certain chemical reactions characterized by a complex in which the central metal atom is bonded to ligands through sigma bonds.

HNO3

Nitric acid, a highly corrosive and toxic strong mineral acid used in the production of fertilizers, explosives, and in the pickling of metals.

P-nitroanisole

An organic compound consisting of an anisole group where a nitro group is attached to the para position of the anisole ring.

Nitro Group

A nitro group is a functional group consisting of a nitrogen atom bonded to two oxygen atoms (−NO2), often contributing to the reactivity of a molecule.