How do you do the criss cross method?

What is the criss-cross method of writing formulas for binary ionic compounds?

  • Answer:

    The criss-cross method helps one find the least common multiple of the charges. An ionic compound formula is the least whole number ratio of ions in which the total positive charge equals the total negative charge of the cations and anions respectively.

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The criss-cross method helps one find the least common multiple of the charges. An ionic compound formula is the least whole number ratio of ions in which the total positive charge equals the total negative charge of the cations and anions respectively.

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