The Scientist Who Determined the Magnitude of the Electric Charge

question 102

Multiple Choice

The scientist who determined the magnitude of the electric charge of the electron was

• A) John Dalton.
• B) Robert Millikan.
• C) J. J. Thomson.
• D) Henry Moseley.
• E) R. Chang.

---

Definitions:

Electronegativity

A measure of the tendency of an atom to attract a bonding pair of electrons towards itself in a molecule.

Frequency

The number of occurrences of a repeating event per unit time.

Characteristic Stretching

The unique vibration of molecular bonds within a molecule, used in infrared spectroscopy to identify specific functional groups.

Frequency

The number of cycles or vibrations per unit of time; in physics and chemistry, it often relates to the energy levels of atoms and molecules.