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Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid