![]() Extending this symbolism to represent both the identities and the relative quantities of substances undergoing a chemical (or physical) change involves writing and balancing a chemical equation. When atoms gain or lose electrons to yield ions, or combine with other atoms to form molecules, their symbols are modified or combined to generate chemical formulas that appropriately represent these species. The preceding chapter introduced the use of element symbols to represent individual atoms. Write and balance chemical equations in molecular, total ionic, and net ionic formats.Derive chemical equations from narrative descriptions of chemical reactions. ![]() By the end of this section, you will be able to:
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