In which one of the following species is the central atom (the first atom in the formula) an exception to the octet rule?

In the following Lewis structure for phosphate, phosphorus has a formal charge of ____ and an oxidation number of ____.

How many faces and how many vertexes (corners), respectively, are there in a trigonal bipyramid?

Select the correct electron configuration for element Sulfur (Z = 16).

According to VSEPR theory, a molecule with the general formula AX5 will have a ______ molecular shape.

In the nitrate ion (NO3–), nitrogen and oxygen are held together by

Which of the following sublevel is filled last? 3d, 4s, 4p, 4d, 5s

Select the strongest bond in the following group

In which of these substances are the atoms held together by metallic bonding?

Cold packs, whose temperature are lowered when ammonium nitrate dissolved in water, are carried by athletic trainers when transporting ice is not possible. Which of the following is true of the reaction (dissolution of ammonium nitrate in water)?