1. Elements at the extreme right of the periodic table are   Noble Gases   Halogens   Alkali Metals   Transition Metals   Hint Half-n-half Clue   2. The Law of Octaves was given by   Bohr   Dobereiner   Mendeleev   John Newlands   Half-n-half Clue   3. The least reactive elements of the periodic table are   Alkaline Earth Metals   Noble Gases   Alkali Metals   Transition Metals   Half-n-half Clue   4. The vertical rows in a periodic table are called   Groups   Alkali Metals   Periods   Noble Gases   Half-n-half Clue   5. The law that "the properties of elements are periodic functions of their atomic numbers" was given by   Mendeleev   Moseley   Linus Pauling   Heisenberg   Half-n-half Clue   6. Which metal has atomic number 3?   Boron   Lithium   Beryllium   Sodium   Half-n-half Clue   7. The first element in the modern periodic table is   Oxygen   Lithium   Helium   Hydrogen   Half-n-half Clue