Though We Would Expect an Increase in Atomic Radii Going

question 91

Multiple Choice

Though we would expect an increase in atomic radii going down a group from the second to the third transition series of elements,the actual radii are nearly identical.The term commonly used to describe this phenomenon is the

• A)atomic disparity.
• B)effective nuclear charge.
• C)lanthanide contraction.
• D)transition default.

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Definitions:

Prostaglandin Synthesis

The biochemical process by which prostaglandins, which are lipid compounds with diverse hormone-like effects, such as inflammation or blood flow regulation, are produced in the body.

Aspirin

A medication used to reduce pain, fever, or inflammation. It has also been used in the prevention of heart attacks and strokes.

Ibuprofen

A nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain, reduce fever, and alleviate inflammation.

Oxytocin

A hormone and neuropeptide that plays a role in social bonding, sexual reproduction, and during and after childbirth.