When a Radioactive Isotope Decays by Electron Capture, the Electron

question 24

Multiple Choice

When a radioactive isotope decays by electron capture, the electron _________.

• A)combines with a neutron in the nucleus, raising the mass number of the daughter isotope by one
• B)makes the daughter isotope into an ion with a charge of positive one
• C)combines with a proton in the nucleus; the atomic number of the daughter is one less than the parent
• D)makes the parent isotope into an ion with a charge of negative one

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Definitions:

Economic Forces

Factors that influence the behavior of the economy at both micro and macro levels, including but not limited to supply and demand, inflation, and unemployment rates.

Social Structure

refers to the organized pattern of social relationships and social institutions that together compose society.

Evolutionary Concept

A principle in biology that explains the process by which organisms change over generations through variations in heritable characteristics.

Social Facts

Durkheim's concept for norms, values, structures, and social practices that exert influence on individual behaviors and are external to the individual.