Examlex
Which element or ion has the following electron configuration: 1s22s22p63s23s4?
Developed Nations
Countries that have a high level of economic development, advanced technological infrastructure, and higher standards of living among their populations.
Low Life Expectancy
A statistical measure indicating the average period an individual is expected to live, which is shorter than the typical lifespan due to various factors like disease, lifestyle, or environment.
Poverty
A condition where individuals or communities lack the financial resources and essentials for a minimum standard of living.
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