In what part of the atom do alpha or beta particles originate?

How many grams of aluminum will there be in 98g of al2o3?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What is the subscript for oxygen in its molecular formula