Rediscovering Mendel's Work After Mendel published his work, it was mostly forgotten until it was rediscovered in 1900, when the field of was beginning to grow. ​

Distance and velocity graph

Temperature and pressure

☆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