What must be true of a disproportionate substance? A. It is composed of oxygen.

B. It is both a reactant and a product.

C. It has an oxidation number of 0.

D. It gains and loses electrons.

What is the molar mass of a gas that has density of 2.054 g/l

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false