So what we know with a half life is the time it will take 50% of an unstable nuclide to decay. Just as we know that in one toss, 50% of coins will land on heads. The question is can we accurately predict which specific nuclides decay

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

How many moles are contained in 5.6 l of h2 at stp