Why would an atom with high electronegativity be a great match for an atom with low ionization energy?

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Draw the structure for 5-isopropyl-2-methyl-3-nonene

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?