Which molecule or ion has a trigonal planar geometry around its central atom?

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]