The Aufbau principle states that:Select the correct answer below:1. You must place one electron in each orbital in a subshell before doubling up.2. Orbitals will be filled in order of increasing energy, which is generally in order of increasing principal quantum number.3. No two electrons in an atom can have the same set of quantum numbers.4. None of the above

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Amixture with the same composition throughout is!

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?