List of top Chemistry Questions on Modern Periodic Law And The Present Form Of The Periodic Table asked in AIIMS

The element Neodymium (Nd) belongs to the 4f series. What is its atomic number?
The period number in the long form of the periodic table is equal to
The element, with atomic number $118$, will be
The long form of Periodic Table is based on
$MgCl_2.6H_2O$ when heated gives