Which Pair of Elements Would You Expect to Exhibit the Greatest

question 237

Multiple Choice

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?

• A)H, Li
• B)Cs, Ba
• C)Ca, Sr
• D)Ga, Ge
• E)C, O

---

Definitions:

Muscarinic Blocking Agent

A muscarinic blocking agent is a type of drug that inhibits the action of acetylcholine at muscarinic receptors, affecting various bodily functions such as heart rate and glandular secretions.

Acetylcholine

A neurotransmitter that functions both in the brain and the body of many types of animals, including humans, where it plays a role in muscle contraction and acts as a neurotransmitter in the central and peripheral nervous systems.

Nicotinic Blocking Agent

A substance that inhibits the action at nicotinic acetylcholine receptors, affecting neuromuscular function.

ANS

Autonomic Nervous System, part of the peripheral nervous system that controls bodily functions not consciously directed, such as breathing and heart rate.