Characterize EACH of the Three Given Statements as Being TRUE

question 26

Multiple Choice

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) The most used radionuclide in diagnostic nuclear medicine medicine is ⁹⁹Mo.
(2) The gaseous state distinguishes Rn-222 from other U-238 decay series products.
(3) The sale of irradiated foods has not yet been approved by the FDA.

• A) All three statements are true.
• B) Two of the three statements are true.
• C) Only one of the statements is true.
• D) None of the statements is true.

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Definitions:

AntiAromatic

Compounds that are cyclic, conjugated, but do not follow Huckel's rule, resulting in instability and lack of aromatic character.

NonAromatic

A compound that does not contain a cyclic, planar ring with a delocalized π-electron system typical of aromatic compounds.

π Network

The conjugated system of pi bonds found in molecules where alternating single and double bonds allow for delocalization of electrons across the structure.

Aromatic Structures

Compounds containing one or more benzene rings, characterized by a stable ring of atoms with delocalized electrons.