Decreasing the particle size of the reactants in a chemical reaction will increase the rate of reaction by a) increasing the concentration of the reactants. b) increasing the surface area of the reactants. c) increasing the activation energy. d) increasing the temperature.

B) increasing the surface area of the reactants.

Explanation:

electron microscopy and scanning tunneling microscopes gives us a greater understanding of atoms by being able to see the atom itself, and lets us see some atomic reactions.

explanation:

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates