Which of the Following Pairs Have the Same Number of Electrons

question 19

Multiple Choice

Which of the following pairs have the same number of electrons in the outermost shell?

• A)K and Ca
• B)S⁴⁺ and Al³⁺
• C)Na⁺ and Ne
• D)Ne and He

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Definitions:

Nation's Infrastructure

Refers to the fundamental facilities and systems serving a country, such as transportation, communication networks, water and power lines, and public institutions like schools and hospitals.

Facilities

Physical buildings, structures, and resources provided for a particular purpose, such as factories, offices, schools, or hospitals.

National Governments

The central governing bodies of a nation that are responsible for creating and enforcing laws, policies, and regulations, and managing the country's affairs.

Devalue Currencies

The intentional decrease in the value of a country's currency compared to other currencies, typically conducted by the government or central bank to adjust the country's trade balance.