Several concepts are essential for the study of chemistry; some of them are:
Atom, Element, Compound, Substance, Molecule, Mole, Ions and salts, Acidity and basicity, Phase, Redox, Bonding, Reaction, Equilibrium, Energy, Chemical laws
Chemistry tutors can help with any questions you have, from balancing and solving chemical equations to understanding the difference between covalent etc.
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Sabtu, Maret 27, 2010
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