Ionic Bonds Are Chemical Bonds Formed by The

question 12

Multiple Choice

Ionic bonds are chemical bonds formed by the:

• A) sharing of electrons between molecules.
• B) donation of protons from one atom to another.
• C) transfer of electrons from one atom to another.
• D) acceptance of neutrons from one atom to another.

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Definitions:

Evolution

The method through which various types of life are believed to have evolved and branched out from ancestral forms throughout Earth's history.

Radioisotopes

Unstable isotopes that spontaneously emit radiation; also called radioactive isotopes.

Half-Life

The time required for half the atoms of a radioactive substance to decay or for a drug or other substance to lose half its pharmacologic, physiologic, or radiologic activity.

Potassium-40

A radioactive isotope of potassium used in dating geological materials, as it decays into argon-40 over a known period of time.