Element X is in Group I of the Periodic Table. X reacts with element Y to form an ionic compound. Which equation shows the process that takes place when X forms ions?
A
X + e + Xt
X -e → X
B C
X + e + X
D X -e X

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?

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted

Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?