What is the density of an object with a mass of 83 g and a volume of 34 mL? Type your answer with at least 2 decimal places.

One or more substances changing into one or more substances is an example of a

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule