How Many Protons Are There in an Atom of Scandium-45

question 20

Multiple Choice

How many protons are there in an atom of scandium-45?

• A) 25
• B) 66
• C) 20
• D) 21
• E) 24

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Definitions:

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Commonwealth Periods refer to times in the history of certain nations where they were governed as a commonwealth, a political community founded for the common good, often after periods of colonial rule or monarchy.

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A 1680 uprising of most of the indigenous Pueblo people against the Spanish colonizers in the province of Santa Fe de Nuevo México.

Spanish

Relates to Spain, its people, culture, or language, which is a Romance language originating in the Iberian Peninsula of Europe.

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The bishop of Rome and the spiritual leader of the worldwide Catholic Church, regarded as the successor to Saint Peter, one of the apostles of Jesus.