An Atom That Contains 20 Protons, 21 Neutrons, and 20

question 21

Multiple Choice

An atom that contains 20 protons, 21 neutrons, and 20 electrons has

• A) a positive charge.
• B) a negative charge.
• C) no charge (electrically neutral).
• D) not enough information is given to determine its charge.

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Definitions:

Real Wages

Wages adjusted for inflation, reflecting the purchasing power of income and the real value of earnings over time.

Price Level

A gauge of the mean prices for goods and services in an economy during a certain period.

Unemployment Rate

The unemployment rate is a measure expressed as a percentage, showing the portion of the labor force that is jobless and actively seeking employment, reflecting the health of an economy's labor market.

Natural Rate

An economic concept referring to the level of any specific economic variable that is achieved in the long run and is unimpacted by short-term fluctuations.