Describe at particle level what happens when a substance starts to solidify at the bell jar

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]

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?