Buckminsterfullerene is a spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms. (a) How many hexagons of carbon atoms are present in one molecule of buckminsterfullerene ? (b) How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene ?
An alkyne has seventy-five carbon atoms in its molecule. The number of hydrogen atoms in its molecule will be : (a) 150 (b) 148 (c) 152 (d) 146
A saturated hydrocarbon has fifty hydrogen atoms in its molecule. The number of carbon atoms in its molecule will be : (a) twenty five (b) twenty-four (c) twenty-six (d) twenty-seven