5. State the correct factors which affect the following periodic properties in Column I from the factors given in Column II.
Column 1
Column II
The factor which affects the
a] Atomic size - down a group- No. of shells, Nuclear charge
b] Ionisation potential - down a group Nuclear charge, Atomic radii
c) Electron affinity - down a group No. of shells, Nuclear charge
d] Metallic character- down a group Ionisation potential, Electron affinity
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