Naphthalene is a carbon and hydrogen containing compound often used in moth balls. the empirical formula is c5h4 and its molar mass is 128.16 g/mol. find the molecular formula.

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

How manyatoms of mercury are in 1.4214e+1 ml sample

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