2) Three naturally occurring isotopes exist for the hypothetical element X -isotope #1 has an abundance of 12% a mass number of 23 and 14 neutrons
-isotope #2 has an abundance of 21% and 6 neutrons
-isotope #3 has 10 neutrons
What is the atomic mass of this element? (10 points)

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