Consider the nucleus equation below
X>228/89 AC+0/-1B
what is the nuclide symbol of X ?
230/90Th
229/89Ac
228/90Th
228/88Ra

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)

All of the following are part of the biosphere except

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added