Answer true or false.
(a) All organic compounds contain one or more atoms of carbon.
(b) The majority of organic compounds are built from carbon, hydrogen, oxygen, and nitrogen.
(c) By number of atoms, carbon is the most abundant element in the Earth’s crust.
(d) Most organic compounds are soluble in water.
Answer true or false.
(a) Organic compounds can only be synthesized in living organisms.
(b) Organic compounds synthesized in the laboratory have the same chemical and physical properties as those synthesized in living organisms.
(c) Chemists have synthesized many organic compounds that are not found in nature.
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