The difference between a mixture and a compound is that: A. The atoms in a compound are chemically combined, the atoms or compounds in a mixture are not
B. A mixture is composed of atoms, and a compound is composed of chemically bonded mixtures.
C. A mixture is homogeneous, while a compound is heterogeneous.
D. None of these

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.