Which of the Following Statements Is/are True? I

question 10

Multiple Choice

Which of the following statements is/are true? I. John Dalton provided the first experimental support for the atom.
II) Ernest Rutherford proved the existence of a nucleus by shooting positively charged particles at a thin gold-foil sheet.
III) J. J. Thompson proved that electrons travel in elliptical orbits around the nucleus.
IV) Energy in an atom is quantized, so when electrons fall to their ground state, white light can be observed.

• A) I, II
• B) I, III
• C) I, II, III
• D) II, IV
• E) All of the above statements (I - IV) are correct.

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Definitions:

Acid-Base Impairment

A disturbance in the balance between acids and bases in the body, which can affect the function of various organs and processes.

Hydrogen

A colorless, odorless, and highly flammable gas that is the lightest and most abundant element in the universe.

Magnesium

A chemical element and mineral essential for various bodily functions, including nerve transmission, muscle contraction, and bone development.

Sodium-Containing

Referring to substances or foods that include sodium, an essential mineral that has various functions in the body but can be harmful in excess.