How do atoms with stable nuclei differ from atoms with unstable nuclei?

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x. xx ml

What semimetal can form four single covalent bonds.

Which statement describes both homogeneous mixtures and heterogeneous mixtures?