Which of the Following Is a Polyatomic Ion

question 139

Multiple Choice

Which of the following is a polyatomic ion?

• A) HCN
• B) Na⁺
• C) H₂
• D) SO₄^2-

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Definitions:

Demand Deposits

Bank accounts from which deposited funds can be withdrawn at any time without any notice to the institution, such as checking accounts.

Fed

Refers to the Federal Reserve System, which is the central banking system of the United States, responsible for monetary policy.

Checkable Deposits

Deposits in a bank or other financial institution against which checks can be written or ATM or debit card transactions can be made.

Medium of Exchange

An instrument or system used to facilitate the sale, purchase, or trade of goods between parties, typically money in modern economies.