Which of the following has -1/3 a charge? hadron down quark up quark electron​

Which statement is best described as a atom

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.