Beryllium-7 Decays by Electron Capture

question 152

Multiple Choice

Beryllium-7 decays by electron capture. What isotope is formed when ⁷Be decays in this way?

• A) ⁷B
• B) ⁶Be
• C) ⁸Be
• D) ⁷Li

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Definitions:

Herfindahl-Hirschman Index

A measure of market concentration to evaluate the competitive landscape, calculated by summing the squares of the market shares of all firms in the industry.

Herfindahl-Hirschman Index

A measure of market concentration and competition, calculated by squaring the market share of each firm competing in a market and summing the resulting numbers.

Concentrated Industry

An economic sector characterized by a small number of firms holding a large market share, leading to reduced competition.

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