1. The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given by   Moseley   Mendeleev   Bohr   Lothar Meyer   Hint Half-n-half Clue   2. Magnesium has an atomic number of   10   16   12   24   Half-n-half Clue   3. The horizontal rows in a periodic table are called   Groups   Atomic Structures   Lanthanides   Periods   Half-n-half Clue   4. Elements at the extreme right of the periodic table are   Noble Gases   Alkali Metals   Transition Metals   Halogens   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 least reactive elements of the periodic table are   Transition Metals   Alkaline Earth Metals   Alkali Metals   Noble Gases   Half-n-half Clue   7. Elements in the same group have similar   atomic masses   atomic radii   atomic numbers   chemical properties   Half-n-half Clue