Which Radon has Atomic property of outer shell electron configuration?
CREATE TABLE "atomic_properties" (
  "atomic_property" text,
  "helium" text,
  "neon" text,
  "argon" text,
  "krypton" text,
  "xenon" text,
  "radon" text
);
SELECT "radon" FROM "atomic_properties" WHERE "atomic_property"='outer shell electron configuration';