1. change or introduction of novelties.   innovation   transition   phenomenon   nutrient   Hint Half-n-half Clue   2. optical illusion due to atmospheric conditions.   pestle   mirage   psychosis   penumbra   Half-n-half Clue   3. size or extent.   panacea   innovation   velocity   magnitude   Half-n-half Clue   4. different form of an element.   nomenclature   isotope   yield   momentum   Half-n-half Clue   5. capability to be shaped and molded.   mammal   solvent   plasticity   nutrient   Half-n-half Clue   6. smallest particle of a substance with all its properties.   terminology   log   molecule   innovation   Half-n-half Clue   7. harmless substance given as dummy medicine.   lumen   phenomenon   placebo   symbiosis   Half-n-half Clue