Un recipiente contiene 200g de hidroxido de sodio Cuantas moleculas tiene

Rethink and reinvent

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

☆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