Calculate the number of electrons in the Cl- and Fe3+ ions.

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

What is the percentage of hydrogen in nitrogen trihydride

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?