Determine which point lies on the circle
(x + 1)2 + (y - 3)2 = 20.

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

Find the mass in grams of 1.37x1020 particles of h3po4

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?