Which statement is true of all chemical reactions? A. They can go in just one direction. B. They occur only in science labs. C. They break and reform bonds D. They create new elements.

A) the enthralling of formation for pure element in its standard state is always positivehope 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