Copper(atomic mass =63.5=63.5) crystallizes in a FCC lattice and has density 8.93 g.cm<
The position vector of a point in which a line through the origin perpendicular to the plane 2x &
An infinite no.of electric charges each equal to 5 nano coulombs are placed along X-axis at x = 1
13.4 g of a sample of unstable hydrated salt, Na2SO4.xH2