Question

write formula by criss cross method​

Answer 1

Answer

Criss Cross Method :-

❥ Numerical value of the ion charge of the two atoms are crossed over, which becomes the subscript of the other ion. Using this technique, we will write the chemical formula of the given compounds.

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Answer 2

Answer:

matter, material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena. ... The three most familiar forms, or states, of matter are solid, liquid, and gas.