What Is the Name of the Element with an Atomic

question 53

Multiple Choice

What is the name of the element with an atomic number of 80?

• A)Hafnium
• B)Gold
• C)Mercury
• D)Silver

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Definitions:

Public Park

A designated area of natural or landscaped space set aside for public enjoyment and recreation.

Socially Optimum

A condition or state in which resources are allocated in the most efficient manner from the perspective of the society overall, maximizing social welfare.

Public Park

An area of land, usually owned and maintained by government agencies, designated for public use and enjoyment, often featuring natural or landscaped spaces.

Pigouvian Subsidy

A subsidy on goods or services that have positive externalities, aimed at encouraging activities that are beneficial for society.