All of the gathered in an investigation must be recorded. (fill in the blank)

Igonna be honest i dunno that one srry

☆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

Answer heart of american                  live in harmony                    hillsides of orchards                    blaze of color                    backdrop of pines;