The atomic mass is the average of the isotopes of the element meaning most averages of isotopes will not be whole numbers
Answer:
i believe its called A. periods
Mass SrBr2 = 247.42 g/mol x 1.36 mol
<span>= 336 g</span>
Answer:
Well I know that when the liquid changes from clear to dark blue and small bubbles form and rise to the surface that is a reaction
Explanation: