1. Be   Fluorine   Copper   Beryllium   Carbon   Hint Half-n-half Clue   2. Sb   Boron   Hydrogen   Beryllium   Antimony   Half-n-half Clue   3. B   Boron   Helium   Bromine   Aluminum   Half-n-half Clue   4. F   Aluminum   Fluorine   Hydrogen   Krypton   Half-n-half Clue   5. Kr   Hydrogen   Krypton   Iridium   Carbon   Half-n-half Clue   6. He   Helium   Cobalt   Barium   Iron   Half-n-half Clue   7. Ir   Krypton   Bromine   Chromium   Iridium   Half-n-half Clue   FREE PREVIEW: Last 22 Questions not a part of the free preview. Get Premium Membership to view all questions.