The diagram below shows the periodic table of the elements. Which pair of elements listed below has properties that are the most similar to each other? explain why it’s the answer.

Based on the equation and the information in the table, what is the enthalpy of the reaction?

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

Describe the forces both attractive and repulsive that occur as two atoms move closer together.