If an atom has 6 electrons in its valence shell, how many will it want to gain or loose?

Which formula can be used to calculate the molar mass of hydrogen peroxide

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust

On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density