Which statement is true about a catalyst?
A: It decreases the rate of a reaction.
B: It remains unused during the reaction.
C: It reduces the collisions between reactants.
D: It changes the final products of the reaction.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

Why is the structure of molecule important to its function?