Use coulomb's law to calculate the energy change for Na(g) + Br(g) = NaBr(g)

How many neutrons does a atom of cobalt have?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds