ACS General Chemistry - Descriptive Chemistry & Periodicity questions with correct answers

cars transporting nitric acid? CORRECT ANSWER It forms an adherent and insoluble oxide coating. What is ammonia's solubility in gas? CORRECT ANSWER High How to tell which gas is most soluble in water? CORRECT ANSWER The most polar gas will dissolve the most in water- H2 How does soap behave in hard water? CORRECT ANSWER The soap reacts with the metal ions in the water form a scummy precipitate. What is the periodicity of atomic radius? CORRECT ANSWER Increases down, increases right to left What is the periodicity of ionization energy? CORRECT ANSWER Increases up, increases left to right What is ionization energy? CORRECT ANSWER Amount of energy it takes to remove an electron from a gaseous atom or ion (increases left to right and up) Which gas is the predominant nitrogen-containing pollutant in the atmosphere? CORRECT ANSWER NO2 What consistency are alkali metals? CORRECT ANSWER Soft