1. Ag   Magnesium   Silver   Copper   Antimony   Hint Half-n-half Clue   2. Mn   Fluorine   Manganese   Nickel   Argon   Half-n-half Clue   3. Ir   Iridium   Tin   Manganese   Carbon   Half-n-half Clue   4. Na   Chromium   Aluminum   Sodium   Sulfur   Half-n-half Clue   5. Cd   Sulfur   Boron   Helium   Cadmium   Half-n-half Clue   6. Cl   Barium   Chlorine   Silicon   Mercury   Half-n-half Clue   7. Ar   Cobalt   Magnesium   Silver   Argon   Half-n-half Clue