Which Main Group Atom or Ion Should Be Included in the Following

question 14

Multiple Choice

Which main group atom or ion should be included in the following list?
Br^-,Se^2-,Kr,Sr²⁺

• A)As^3-
• B)Ar
• C)K⁺
• D)S^2-

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Definitions:

Sellers

Individuals or entities that offer products or services for sale to buyers in a marketplace.

Tax

A compulsory financial charge or other levy imposed by a government on individuals or businesses to fund various public expenditures.

Binding Price Floor

A legal minimum price for a good or service that is set above the equilibrium price, resulting in surpluses.

Binding Price Ceiling

A government-imposed limit on how high a price can be charged for a product, set below the market equilibrium price, leading to shortages.