1. The least reactive elements of the periodic table are   Transition Metals   Noble Gases   Alkaline Earth Metals   Alkali Metals   Hint Half-n-half Clue   2. Elements in the same group have similar   chemical properties   atomic radii   atomic masses   atomic numbers   Half-n-half Clue   3. The element with atomic number 6 is   Carbon   Oxygen   Neon   Boron   Half-n-half Clue   4. Elements at the extreme right of the periodic table are   Alkali Metals   Noble Gases   Halogens   Transition Metals   Half-n-half Clue   5. Mercury is a   Noble Gas   Non metal   Lanthanide   Metal   Half-n-half Clue   6. The Law of Octaves was given by   Dobereiner   Bohr   John Newlands   Mendeleev   Half-n-half Clue   7. Elements in the modern periodic table are arranged on the basis of their   Boiling Point   Atomic Number   Chemical Symbols alphabetically   Atomic Mass   Half-n-half Clue