When phosphorus forms an ion, it will have the same electron configuration as ? 1. nitrogen
2. argon
3.neon
4.sodium

Which substances have the lowest melting points: ionic covalent, or metallic

The rules of engagement (roe) working group is often used to (select all that apply.)

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?