Examlex
What are "forbidden lines"? Briefly describe how they form.
Molecular Formula
A notation that indicates the type and number of atoms in a molecule, but not the arrangement of the atoms.
Compound
A substance formed when two or more chemical elements are chemically bonded together.
Organic Compound
A compound primarily made of carbon atoms bonded with other elements like hydrogen, oxygen, and nitrogen.
Carbon
A chemical element with symbol C, known for its ability to form a vast number of compounds, more than any other element, due to its four valence electrons.
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