1. The least reactive elements of the periodic table are   Transition Metals   Alkali Metals   Noble Gases   Alkaline Earth Metals   Hint Half-n-half Clue   2. Elements in the modern periodic table are arranged on the basis of their   Chemical Symbols alphabetically   Atomic Mass   Boiling Point   Atomic Number   Half-n-half Clue   3. Elements on the extreme left side of the periodic table are   Transition Elements   Metalloids   Non Metals   Metals   Half-n-half Clue   4. Elements in the same group have similar   atomic numbers   atomic radii   chemical properties   atomic masses   Half-n-half Clue   5. The vertical rows in a periodic table are called   Noble Gases   Alkali Metals   Periods   Groups   Half-n-half Clue   6. The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given by   Bohr   Lothar Meyer   Mendeleev   Moseley   Half-n-half Clue   7. Which element has the atomic number 8?   Helium   Nitrogen   Lithium   Oxygen   Half-n-half Clue