What Was Niels Bohr's Explanation for the Observation of Atomic

question 93

Multiple Choice

What was Niels Bohr's explanation for the observation of atomic spectra?

• A)Electrons could only move in discrete energy steps within an atom.
• B)Electrons could not move in an atom.
• C)Any photon could excite an electron.
• D)Only certain photons with the correct energy could excite the quanta in the nucleus.
• E)Nucleons could be excited by different electron energies.

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Definitions:

Extension

An increase in the angle between bones at a joint or the straightening of a limb.

Straightening Movement

refers to the motion aimed at making something linear or rectifying its alignment.

Adduction

To draw together toward the midline.

Midline

A term often used in anatomy to refer to the central line of the body or an organ, dividing it into right and left halves.