Shown Below Is a Model of SF₆ Having an Orientation

question 81

Multiple Choice

Shown below is a model of SF₆ having an orientation in which one or more atoms are hidden from view.What is the indicated bond angle?

• A)90°
• B)less than 109.5° but greater than 90°
• C)less than 120° but greater than 109.5°
• D)120°

Explain the role of invertebrates in ecosystems and human medicine.

Identify major invertebrate groups based on specific morphological features.

Interpret scientific figures related to invertebrate biology and evolution.

Identify key characteristics that differentiate major arthropod groups.

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