Which element of the lanthanides series has the largest atomic radius

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

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

Which is an example of a highly unstable isotope that is often used in fission reactions?