Which air condition would be least likely to have precipitation? warm, dry air cold, dry air cold, moist air warm, moist air

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

Helium decays to form lithium. which equation correctly describes this decay?

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.