The Reactivity of an Atom Arises from the

question 100

Multiple Choice

The reactivity of an atom arises from the

• A) energy differences between the orbitals that contain its electrons.
• B) number of electrons in the outermost electron shell.
• C) number of electron shells in the atom.
• D) sum of the potential energies of all electron shells.
• E) potential energy of the outermost electron shell, or valence shell.

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Definitions:

Thermoregulation

The process of maintaining body temperature within certain limits despite changes in the surrounding temperature.

Internal Metabolism

The complex set of chemical transformations within the cells of living organisms that are crucial for life, including energy production and the synthesis of necessary compounds.

Acclimatization

Adjustment to seasonal changes.

Torpor

An energy-conserving state of low metabolic rate and inactivity. See estivation and hibernation.