The H-C-H Bond Angle in the CH₄ Ion Is Approximately

question 133

Multiple Choice

The H-C-H bond angle in the CH₄ ion is approximately ________.

• A)180
• B)120
• C)109.5
• D)60
• E)90

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Definitions:

Unconditioned Response

An automatic, natural response to a stimulus that occurs without the need for prior learning or conditioning.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without prior learning.

Conditioned Stimulus

A previously neutral stimulus that, after being associated with an unconditioned stimulus, triggers a conditioned response.

Conditioned Response

A learned response to a previously neutral stimulus that has been repeatedly presented alongside an unconditioned stimulus.