1. Cd   Bromine   Boron   Silver   Cadmium   Hint Half-n-half Clue   2. Cl   Zinc   Xenon   Carbon   Chlorine   Half-n-half Clue   3. Ca   Boron   Neon   Calcium   Fluorine   Half-n-half Clue   4. Ir   Potassium   Fluorine   Mercury   Iridium   Half-n-half Clue   5. Cu   Fluorine   Bromine   Krypton   Copper   Half-n-half Clue   6. Mn   Manganese   Silicon   Tungsten   Barium   Half-n-half Clue   7. F   Argon   Iridium   Fluorine   Manganese   Half-n-half Clue