Who was one of the first people to suggest that matter is made up of particles that cannot be divided? a. democritus b. thomson c. aristotle d. rutherford

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa