1. Write the balanced chemical equation for the reaction between Sr(NO3)2 and KIO 3. Include all phase labels.

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]

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?