Classify steel: select one: a. e = element b. s = homogeneous mixture/solution c. c = compound d. he = heterogeneous mixture

What is the mass of 0.46 mol of mgcl2

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Which statement best describes the function of enzymes?