3) Name the following ()
i The sum of the abomic masses of all
the atoms in a
single molecule of that
substance is called

Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms