Which of these elements has two valence electrons? hydrogen (H) barium (Ba) nitrogen (N) krypton (Kr) bromine (Br)

What is the number of moles Phosphorous (P) in 5.00 g in the 15-30-15 fertilizer

Why are the halogen elements so dangerous in their uncombined forms?

A drink advertised as having 10% fruit juice has a concentration of 100% by volume of the fruit juice.

Examine the general structure of a molecule. Which functional groups are in this molecule? 1) an alkyl halide and an alcohol 2) a carboxylic acid and an amine 3) an amine and an ester 4) an aldehyde and a carboxylic acid

Explain the problem surrounding the ammonia-making process in terms of chemical equilibrium. Chemical equation for producing ammonia: N2 + 3H2 ⇌ 2NH3 + energy

Which of the following correctly identifies steps used in the fractional distillation of petroleum? The mixture is cooled, condenses, then heated and boils. The mixture is cooled, boils, then heated and condense.

What is the formula of the most stable oxide of francium?

You just calculated that the heat of fusion for chloromethane is 6400 J/mol. The heat of fusion for hydrogen is 120 J/mol. Which of the following account for this difference? a. Hydrogen has stronger intermolecular forces than chloromethane. b.

Magnesium burns with a very bright light. When the flame goes out, a White powder is left behind. what is the word equation for this reaction.

Identify the types of intermolecular forces found for each of the liquids and relate these to the shape of the drop as seen from the side. Include the terms cohesive and adhesive forces properly in your explanations.