The Element with the Ground State Electron Configuration of 1s²

question 181

Multiple Choice

The element with the ground state electron configuration of 1s² 2s² 2p⁶ 3s² is

• A) Mg.
• B) Ca.
• C) Mn.
• D) Ne.

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Economic Growth

An increase in the amount of goods and services produced per head of the population over a period of time, indicating improvements in living standards and economic health.

International Competitiveness

The ability of a country to produce goods and services at a lower price and higher quality than its international competitors.

Economic Fluctuations

Variations in the growth rate of an economy over a period of time, characterized by cycles of expansion and contraction.

Regressive Income Tax

A tax system where the tax rate decreases as the taxable amount increases, placing a higher relative burden on lower-income earners.