What trend in ionization energy occurs across a period on the periodic table? what causes this trend?

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

Idon't really understand this can you me and show your work.☺☺[ chemistry b] subject [ electron transfer in lonic bonds]grade( 12)

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.