Classify each of the following as homogeneous or heterogeneous mixtures. And provide explanations in support of your decision. A. Blood D. Motor oil
B. Chocolate-chip ice cream E. Black coffee
C. Brass (a blend of copper and zinc)

Nonmetals usually react by gaining electrons

The correct answer should be "electrons orbit the nucleus in circular motions exactly as shown on the classic bohr model."

The question is incomplete. complete question is attached belowanswer: correct answer is option b  i.e.  solid particles  reason: filter paper has small pores, through which smaller particles can pass through. however, solid particles  have relatively larger size. hence, they are least likely to pass through.