The electron configuration of an element is 1s22s22p6. Describe what most likely happens when an atom of this element comes near an atom having seven valence electrons. (5 points)
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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

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?

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?