An Isotope Is the Same Element with a Different Number

question 69

Multiple Choice

An isotope is the same element with a different number of

• A) protons.
• B) neutrons.
• C) electrons.
• D) electrons and protons.
• E) protons and neutrons.

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Definitions:

Lawrence Lessig

An American academic, attorney, and political activist, known for his work on copyright law, internet policy, and as a proponent of reduced legal restrictions on copyright.

Reinforcement Theory

Theory that suggests that audiences seek messages in the media that reinforce their existing attitudes and beliefs and are thus not influenced by challenging or contradictory information.

Agenda-Setting Theory

Theory that the media can set the public agenda by selecting certain news stories and excluding others, thus influencing what audiences think about.

Two-Step Flow Model

Theory on media effects that suggests audiences get information through opinion leaders who influence their attitudes and beliefs, rather than through direct, firsthand sources.