Explain briefly how molecules assume their shapes 14
Suate the difference between polar covalent bond and
coondince covalent bond
Illustrate dipole moinent in each of the following molecules:
NT:
三三三三
(B)
H. O.
Define each of the following terms:
natural radioactivity:
nuclear fusion
State one difference between natural radioactivity and artificio
radioactivity
Give two uses of nuclear fusion.