In the chemical formula 3h2o, how many atoms are there of each element?

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division