The azide ion, n−3, is a symmetrical ion, all of whose contributing structures have formal charges. draw three important contributing structures for this ion.

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Air can be considered a mixture. which statement does not explain why?