Explain, in terms of atoms and ions, why the color of the copper ii sulfate solution changed when the iron was addes and mixed.

What were the success and failures that came to boyle’s excitements?

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.