Describe two uses of surfactant. at least one must be something that was not described in the passage. for each example explain how the effects of the surfactant mike it useful

Ibelieve it's celsius. hope this .

☆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