How many grams of CuNO3 are there if you have 2.270x10^23atoms of CuNO3

Compare and contrast the bohr model and the electron cloud models of the atom.

What can be found in the ionosphere

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?