Examlex
Total surplus or gains created from trade equal
Valence Shell
The outermost shell of an electron orbiting the nucleus of an atom, determining the atom's chemical properties and reactivity.
Anion
A negatively charged ion, which forms when an atom or molecule gains one or more electrons.
Chemical Elements
Substances that cannot be broken down into simpler substances by chemical means, consisting of atoms with the same number of protons.
Oxidation
The loss of one or more electrons (or hydrogen atoms) by an atom, ion, or molecule.
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