Examlex
The nucleus of a nitrogen atom contains 7 neutrons and 7 protons. Which of the following is a correct statement concerning nitrogen?
Petroleum
A naturally occurring, flammable liquid consisting of a complex mixture of hydrocarbons, used primarily as fuel and in chemical production.
Oil Shale
A fine-grained sedimentary rock from which liquid hydrocarbons (shale oil) can be produced, serving as a potential source of unconventional oil.
Oil Shale
Sedimentary rock containing organic matter that can be converted into shale oil through heating; a potential but controversial energy resource.
Oil and Gas
Natural hydrocarbon resources extracted from the Earth, used primarily for energy, heating, and in various industrial applications.
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