The Mass of an Alpha Particle Is Approximately

question 3

Multiple Choice

The mass of an alpha particle is approximately:

• A)two times the mass of a hydrogen atom.
• B)four times the mass of a hydrogen atom.
• C)six times the mass of a hydrogen atom.
• D)eight times the mass of a hydrogen atom.

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Definitions:

δ 3.1

A notation indicating a chemical shift of 3.1 in nuclear magnetic resonance (NMR) spectroscopy, often signifying the environment of a hydrogen atom in a molecule.

δ 4.2

A chemical shift value in nuclear magnetic resonance (NMR) spectroscopy indicating the resonance position of certain hydrogen atoms in a molecule relative to a standard reference.

Carbonyl Stretching

A vibrational movement in infrared spectroscopy, indicating the presence of a carbonyl group (C=O) in organic compounds.

Aldehydes

Organic compounds containing a carbonyl group bonded to at least one hydrogen atom, with the general formula R-CHO.