5. (a) Write electron dot diagram for chlorine and 3 po calcium .Show the formation of calcium chloride
by transfer of electrons.(b) Identify the nature of
above compound and explain any two physical
properties of such compound.

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.