A Potassium Atom Has a Radius of 0

question 19

Multiple Choice

A potassium atom has a radius of 0.000 000 022 7 cm.Express the atomic radius in scientific notation.

• A)2.27 x 10-9 cm
• B)2.27 x 10-8 cm
• C)2.27 x 10-7 cm
• D)2.27 x 107 cm
• E)2.27 x 108 cm

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Definitions:

Mere Exposure Effect

The psychological phenomenon whereby people tend to develop a preference for things merely because they are familiar with them.

Stimulus

Anything that can provoke a response or reaction from a biological organism or a system.

Conscious Awareness

The mental state of being fully engaged and aware of the present moment, including thoughts, feelings, and external environment.

Strongest

The most powerful, forceful, or capable in a particular group, area, or context.