Examples of elements that sublime when exposed to the atmosphere?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

How many moles are in 43.9 l of oxygen

Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .