what is the same between halogen and noble gases
Answers
Answer:
They both are stable.and fill their last shell compltely
Answer:
Noble gases have a filled valence shell. They are full. They are completely stable. These are placed in group 18 in the periodic table. They do not crave for any more electrons. They are happy and content. So, these don’t want to change their state of satisfaction. And hence very RARELY react. Most of the noble gases do not react at all. Reaction involves formation and breaking of bonds, which in turn involves a give and take of electrons. Noble gases neither want to lose nor gain electrons. Hence they are least reactive in nature.
Halogens on the other hand have 7 electrons in their outermost shell. They just need one electron to fulfill their octet and attain stability. They are like that athlete at the forefront who is just a few feet away from the finish line. They need very less energy to gain that 1 electron, and are always on a look out for an electron to fill their octet. This makes halogens one of the most reactive in the periodic table. They are all electronegative in nature. They all want to gain an electron. It is difficult to take an electron from halogens. These are group 17 elements of the periodic table, i.e, the closest neighbor to the noble gases.
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