List of top Chemistry Questions on Classification of elements and periodicity in properties asked in NEET (UG)

The lUPAC name of an element with atomic number 119 is

From the following pairs of ions which one is not an iso-electronic pair?

Which of the following oxides is most acidic in nature ?
What is the value of electron gain enthalpy of $Na^+$ if $IE_1$ of $Na = 5.1 \, eV$?

A nuclide of an alkaline earth metal undergoes radioactive decay by emission of three αparticles in succession.The group of the periodic table to which the resulting daughter element would belong is:

The ions \(O_2^–\), \(F^–\),  \(Na^+\), \(Mg^{2+}\) and \(Al^{3+}\) are isoelectronic. Their ionic radii show: