Distiguish between hexagonal close packing and cubic pakcing.

How will you distinguish between Hexagonal close packing and cubic close packing. (3D)

Distiguish between: Weight and Mass

Distinguish between: Open and closed circulation.

Distiguish between: Gravitational constant and Gravitational acceleration

Explain hexagonal close packing in three dimensions.

Distiguish between incomplete dominance and co-dominance.

The atoms of element 'Y' form hexagonal close packing and the atoms of element X occpies (2 )/(3 ) rd portion of the number of tetrahedral voids . Write the formula of the compound formed by the X and Y .

Distinguish between the following: Open and closed vascular bundles

explain close packing in one dimension.

The co-ordination number of hexagonal closest packed structure is