Astronomers Use Roman Numerals to Indicate the Ionization State of a Gas

question 91

Multiple Choice

Astronomers use roman numerals to indicate the ionization state of a gas. Ionized hydrogenis indicated by which of the following symbols?

• A)H II
• B) \(\mathrm { H } _ { 2 }\)
• C)H I
• D) \(\mathrm { H } _ { 1 } ^ { 1 }\)
• E)H III

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Definitions:

Korea

A region in East Asia, divided into two distinct countries: North Korea and South Korea, with distinct governments and political systems.

Great Britain

An island in the North Atlantic Ocean off the northwest coast of continental Europe, comprising England, Scotland, and Wales.

Japan

An island country in East Asia, known for its rich history, cultural heritage, and significant economic and technological advancements.

Colony

A territory under the immediate political control of a state, distinct from the sovereign territory of that state.