Online NAT IM Pre Medical Chemistry Test Preparation for Pakistani Students

NAT I Medical Chemistry

Sr. #	Questions	Answers Choice
1	The maximum number of electrons in a subshell for which / = 3 is	14 10 8 4
2	The ratio of the ionization energy of H and Be³⁺ is	1 : 1 1 : 3 1 : 9 1 : 16
3	The mass of the neutron is of the order of	10<sup>-23</sup> kg <span style="font-size: 14.44444465637207px;">10</span><sup>-24</sup><span style="font-size: 14.44444465637207px;"> kg</span> <span style="font-size: 14.44444465637207px;">10</span><sup>-26</sup><span style="font-size: 14.44444465637207px;"> kg</span> <span style="font-size: 14.44444465637207px;">10</span><sup>-27</sup><span style="font-size: 14.44444465637207px;"> kg</span>
4	The credit of discovering neutron goes to	Rutherford Langmuir Chadwick Austen
5	With increasing principle quantum number the energy difference between adjacent energy levels in H atom	Decreases Increases Remains constant Decreases for low value of Z and increases for higher value of Z.
6	The ratio of close packed atoms to tetrahedral holes in cubic close packing is	1 : 1 1 : 2 1 : 3 2 : 1
7	Potassium crystallizes with a	Orthogonal lattice Cubic lattice Triclinic Ortho rhombic lattice
8	How many kinds of space lattices are possible in a crystal?	23 7 230 14