How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 120 contain?

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211