Periodic Classification

A. All the metals are good conductor of electricity
B. All the metals are good conductor of heat
C. All the metals form positive ions
D. All the metals form acidic oxides

A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. C1 > I

A. Strong covalent bond
B. Large value of dipole moment
C. High polarizability
D. Strong hydrogen bonding

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

A. Increase down the group
B. Decrease down the group
C. No regular trend
D. Remain same

A. Exothermic
B. Endothermic
C. Data is insufficient
D. Unpredictable

A. Nuclear charge
B. Atomic size
C. Shielding effect
D. I.E depends upon all of the above and nature of orbital

A. Hard water
B. Heavy water
C. Soft water
D. Water gas

A. Ionization energy
B. Atomic radii
C. Melting & boiling points
D. Atomic volume