One calcium atom for every two iodine atoms chemical formula

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]

What volume would 2.25 moles of ne has occupy at stp?

I’m an electrically neutral atomic any element, there are equal numbers of