1. The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given by   Moseley   Mendeleev   Lothar Meyer   Bohr   Hint Half-n-half Clue   2. Mercury is a   Noble Gas   Lanthanide   Metal   Non metal   Half-n-half Clue   3. Elements in the same group have similar   chemical properties   atomic radii   atomic masses   atomic numbers   Half-n-half Clue   4. The element with atomic number 6 is   Carbon   Neon   Oxygen   Boron   Half-n-half Clue   5. The element with atomic weight 14 is   Oxygen   Nitrogen   Boron   Carbon   Half-n-half Clue   6. Which element has the atomic number 8?   Lithium   Helium   Oxygen   Nitrogen   Half-n-half Clue   7. Which metal has atomic number 3?   Sodium   Boron   Lithium   Beryllium   Half-n-half Clue