Is unobtainium easy to obtain?

Which of the following is considered to be the minimum height tide? spring tide fall tide neap tide

You have 5.67g of N2 and 2.34g of O2

If you have 20 grams of parent material, and one half-life goes by, how much parent material do you have remaining?

Is acetone a compound, an element or heterogeneous or homogeneous

When nitrogen and magnesium form an ionic bond, what is the formula?

What compares a law and a theory?

Explain what domain would best be represented by the "?" in the diagram. A) Eukarya because the organisms are all eukaryotic. B) Eukarya because the organisms are all prokaryotic. C) Bacteria because some of the organisms are autotrophs.

If you are eating a hamburger, it is an example of a consumer eating another consumer. a) true b) false

What mass of NaNO3 is needed to make 3.5 L of 2.2 M solution? (Na = 23.0g, N=14.0g, O=16.0g) Explain in steps

In which group do all atoms have seven valence electrons in the ground state?