PLEASE HELP!!!
Question 1: What is the simplest form of matter?
A. element B. mixture C. compound D. solution

Question 2: When two or more elements chemically combine it forms ___.
E. mixture F. solution G. suspension H. compound

Question 3: A ___ forms when substances combine, keep their unique properties, and can be separated by physical means.
J. mixture K.compound L. reaction M. molecule

Question 4: What is formed when 2 substances combine and look like a single substance with the same properties throughout?
R.mixture S. solution T. compound V. suspension