Find the number of Li atoms in 1.50 mole of Li

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

Non renewable resources like petroleum eventually