An Atom That Has an Atomic Number of 20 and a Mass

question 9

Multiple Choice

An atom that has an atomic number of 20 and a mass number of 42 is an isotope of an atom that has:

• A)an atomic number of 21 and a mass number of 42
• B)an atomic number of 20 and a mass number of 40
• C)22 neutrons and 20 protons
• D)22 protons and 20 neutrons

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Definitions:

Forced Deportation

The compulsory expulsion of a person or group of people from a country, typically for legal or punitive reasons.

Chinese Labourers

Workers from China, often historically employed under harsh conditions in various countries for tasks such as railway construction, mining, and agriculture.

Head Tax

Tax imposed by the Canadian government on anyone immigrating to Canada from China between 1885 and 1923.

Canadian Pacific Railway

A historic Canadian railroad company established in 1881, instrumental in the development of Canada, connecting the country from coast to coast.