1. The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given by   Bohr   Mendeleev   Moseley   Lothar Meyer   Hint Half-n-half Clue   2. Elements in the same group have similar   atomic numbers   atomic masses   chemical properties   atomic radii   Half-n-half Clue   3. The element with atomic weight 14 is   Boron   Oxygen   Carbon   Nitrogen   Half-n-half Clue   4. The law that "the properties of elements are periodic functions of their atomic numbers" was given by   Moseley   Linus Pauling   Heisenberg   Mendeleev   Half-n-half Clue   5. Mercury is a   Lanthanide   Noble Gas   Non metal   Metal   Half-n-half Clue   6. The element with atomic number 6 is   Carbon   Oxygen   Boron   Neon   Half-n-half Clue   7. Elements in the modern periodic table are arranged on the basis of their   Chemical Symbols alphabetically   Atomic Number   Boiling Point   Atomic Mass   Half-n-half Clue