The answer is A hopes that helps
False, other planets have things we have not discovered yet, but for one thing for sure there are storms and hurricanes on other planets as well.
We know that the heat of vaporization of water is 2260 J/g. So 100 gram sample of water being completely vaporized needs 2260*100=2.26*10^5 J. So the answer is (4).
Answer:
Some elements have variable valencies because of the different electronic configurations. An atom of an element can sometimes lose more electrons than are present in its valence shell i.e. loss from the penultimate shell and hence exhibit more than 1 or variable valency.
Explanation:
Hope it helps.
