The Electronegativity Is 2

question 58

Multiple Choice

The electronegativity is 2.1 for H and 1.9 for Pb.Based on these electronegativities PbH₄ would be expected to

• A)be ionic and contain H^- ions.
• B)be ionic and contain H⁺ ions.
• C)have polar covalent bonds with a partial negative charges on the H atoms.
• D)have polar covalent bonds with a partial positive charges on the H atoms.

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Definitions:

Circumduction

A type of joint movement where the distal end of a bone moves in a circle while the proximal end remains in one position.

Pronation

A rotational movement of the forearm that turns the palm downward or backward.

Rotation

The act or process of turning around a center or an axis, a fundamental movement in biomechanics.

Gomphosis

A form of fibrous connection that secures a tooth within its jaw socket.