For this chemical reaction, if you have 35 moles of O2 reacting what will AH be? C3Hg (g) + 502 (g) – 3CO2 (g) + 4H20 (1), AH = -2,220 kJ

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

The total number of nucleons