Consider the chart describing the element. According to the chart, the element is blank with an atomic number of blank

Nonpoint source pollution is difficult to control because it

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?

Is a substance is ionic, then it likely will