A Quantum Chemistry Program Indicates That the Dipole Moment of PH₃

question 68

Multiple Choice

A quantum chemistry program indicates that the dipole moment of PH₃ is zero. Which statement(s) best explains this result?

• A) PH₃ is a trigonal planar structure and the bond dipoles cancel.
• B) PH₃ violates the octet rule and does not exist.
• C) The electronegativities of P and H are very close in value; therefore, no bond dipoles exist.
• D) A and C only
• E) A, B, and C

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A genetic disorder caused by the presence of an extra chromosome 21, characterized by physical growth delays, characteristic facial features, and varying degrees of intellectual disability.

Extra Chromosome

An additional chromosome in the genetic makeup of an individual, which can lead to developmental abnormalities or genetic disorders, such as Down syndrome.

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