How could an alpha particle pass straight through the metal foil and strike the center of the phosphor screen on the other side without scattering at all?

Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial

Which of these have the same number of particles as 1 mole of water h2o

How do you calculate the mass of a product when the amounts of more than one reactant are given?