A metal surface is known to have a work function of 7.75 eV. If an electron was emitted from the surface of the metal at a speed of 5.45X106 m/s, what was the wavelength, in nm, of the photon used?

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

Which of these best describes an ionic bond?

Using the periodic table, complete the table to describe each atom. type in your answers