The hydrocarbon benzene has the formula C6H6 , and a line drawing that looks like this: 
How many additional hydrogen atoms are needed to fully saturate this structure?
Definitions:
Common Sense
A pamphlet written by Thomas Paine in 1776 advocating for American independence from Britain, emphasizing clear, rational arguments accessible to the general populace.
Parliament
The supreme legislative body in a parliamentary system, often composed of two houses (bicameral), where elected representatives debate and pass laws.
Independence
The condition of a nation, country, or state which exercises self-government, and sovereignty, over its territory, free from external control.
Printing Paper Money
The process undertaken by a country's central bank or government to produce its national currency, typically to manage economic activity.
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