Examlex
What provides a boundary between the internal and external environment of all cells?
Covalently Bonded
Atoms that are linked together by sharing pairs of electrons to achieve stability.
Ionic Bond
Type of chemical bond in which a strong mutual attraction links ions of opposite charge.
Chemical Bond
Attractive force that arises between two atoms when their electrons interact; links atoms into molecules.
Nonionic Solids
Substances that consist of molecules bound together by covalent bonds rather than ionic bonds, lacking charge separation.
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