8. Calculate the mass of one mole of the medium bean used in the model system. Compare this with the mass of the earth (6 x 1027 g) and the mass of the moon (7 x 1025 g).

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will