A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. C1 > I
Keeping in view the size of atom which order is correct one ? Read More »
Chemistry Mcqs, Periodic Classification A. Strong covalent bond
B. Large value of dipole moment
C. High polarizability
D. Strong hydrogen bonding
Iodine is solid due to_________________? Read More »
Chemistry Mcqs, Periodic Classification A. Covalent halides
B. Electronegative halides
C. Polymeric halides
D. Polymeric hydrides
A. Number of electrons gained
B. Number of electrons lost
C. Apparent charge in compound
D. Its vacancies
Oxidation state of an atom represents____________________? Read More »
Chemistry Mcqs, Periodic Classification A. Increase down the group
B. Decrease down the group
C. No regular trend
D. Remain same
Metallic characters of alkali metals_____________________? Read More »
Chemistry Mcqs, Periodic Classification A. Exothermic
B. Endothermic
C. Data is insufficient
D. Unpredictable
Addition of 2nd electron to a uni negative ion is always____________________? Read More »
Chemistry Mcqs, Periodic Classification A. Nuclear charge
B. Atomic size
C. Shielding effect
D. I.E depends upon all of the above and nature of orbital
Ionization energy depends upon____________________? Read More »
Chemistry Mcqs, Periodic Classification A. Hard water
B. Heavy water
C. Soft water
D. Water gas
Deuterium reacts with oxygen to form________________? Read More »
Chemistry Mcqs, Periodic Classification A. Ionization energy
B. Atomic radii
C. Melting & boiling points
D. Atomic volume
The property which increases upto group IV-A then decreases on wards_______________? Read More »
Chemistry Mcqs, Periodic Classification A. Location of nucleus by Rutherford
B. Atomic number by Moseley
C. X-rays by Roentgen
D. Natural radioactivity by Henry Bacquerel.
Which discovery caused a revision in the periodic law as stated by Mendeleev ? Read More »
Chemistry Mcqs, Periodic Classification