What are the building blocks? Carbon Hydrogen Oxygen Nitrogen Phosphorus Chlorine Atoms Methane Formaldehyde Hydrogen cyanide Phosphorus pentachloride.
Sandrogreco The Hard Soft Acids Bases (Hsab) Principle And Organic Chemistry
Noble Gases helium (He) neon (Ne) argon (Ar) krypton (Kr) xenon (Xe) radon (Rn) form group 18 of the periodic table The noble gases.
