What types of crystals wouls be ?
(a) The hardest
(b) The softest
(c ) The highest melting
(d) The lowest melting
(e ) Electrically conducting

Why Zinc has lowest melting point in 3d series?

The lowest melting point metals among d-block metais belongs to

The crystal having highest melting point is

In 3d series, the elements which exhibit highest and lowest melting point are respectively

Which element among d-block element has(i) the lowest melting point and (ii) the highest melting point

Which allotrope of Carbon is hardest natural substance and highest melting point.

Which type of solid crystals will conduct heat and electricity?

Identify the type of cyrstalline solid based on the following properties : (a) Conducts electricity in the molten state but in the solid state. (b) Very hard with melting point and acts as electrical insulator. (c) Conducts electricity in the solid state, malleable and ductile.

Compare the structure of the crystal of diamond graphite with special reference to the reason for diamond being the hardest natural substance while graphite one of the softest. Compare the electrical & thermal conductivity of the two crystalline allotropes of carbon.

One end of conducting rod is maintained at temperature 50^(@)C and at the other end ice is melting at 0^(@)C . The rate of melting of ice is doubled if: