Tobject]user: when copper combines with oxygen to form copper (ii) oxide, the charge of the copper ion is
a. cu1+.
c. cu3+.
b. cu2+.
d. cu4+.

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

Table sugar completely dissolved in water is an example of a?

Draw the lewis dot structure for each of the following polyatomic ions