The Mass of the Electrons in Atoms Is Generally Regarded

question 34

Multiple Choice

The mass of the electrons in atoms is generally regarded as

• A)significant.
• B)insignificant.
• C)comparable to the mass of the nucleus.
• D)unknown.

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Definitions:

Water Molecules

Water molecules consist of two hydrogen atoms and one oxygen atom bonded together, making up the liquid that is vital for all forms of life on Earth.

Specific Heat

The amount of heat energy that must be supplied to raise the temperature of 1 gram of a substance by 1°C.

Heat of Fusion

The amount of heat required to convert a solid at its melting point into a liquid without changing its temperature.

Homeostasis

The regulatory process by which biological systems maintain a stable internal environment despite external changes.