Which of the substances (‘A’ or ‘B’) has the greater density?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive