When a chemical reaction takes place, the starting substances (substances that will undergo the change) are called question 2 options: products mixtures reactants yeilders

What is the mass of sodium in 3 moles of sodium chloride

What are fossils of organisms that existed over a wide area but only for a limited time period called?

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