Answer is : It is a good thermal and electrical conductor. -The main point to be noted is that aluminium is a highly reactive element and still it is used for making cooking utensils. The reason is that aluminium has a very high affinity for oxygen. So, it reacts with oxygen and forms a layer of aluminium oxide on its surface.
Should be B, because one rotation is a day one revolution is a day(also to check I looked up the difference).
<span>37.9968064 ± 0.0000010 g/mol</span>
