Question: Predict the missing value (?) for each physical property listed below. The (a) Atomic radius, (b) Density, (c) Melting point are given for two of

Predict the missing value (?) for each physical property listed below. The 

(a) Atomic radius, 

(b) Density,

(c) Melting point are given for two of the metals in Group VIII/10.

Element Ni Pd Pt Atomic Radius 125 pm 138 pm (?) pm Density at 20 C 8.91 g/cm (?) g/cm 21.5 g/cm Melting

Element Ni Pd Pt Atomic Radius 125 pm 138 pm (?) pm Density at 20 C 8.91 g/cm (?) g/cm 21.5 g/cm Melting Point (?) C 1554 C 1772 C

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