Why is hydrogen referred to a rogue element????!
Here rogue refers to something different from normal.So if Hyderogen is a rogue element, then we must look at it's behaviour. Hydrogen is the only element that has only one electron in it's outermost orbit. If so it can take an electron and get a duplet configuration (tobecome stable) or it may be able to donate an electron to attain a stable configuration. Hence Hydrogen is uniquely enabled to act as a metal, that is, electro positive element (think of HCl, HF etc) and also as electronegetive element as in ammonia and as in hydrides like NaH etc.
Although Hydrogen, thus, can justify it's place above Li in the modern periodic table, it can also by the very same anology be place above F in themodern periodic table. Hence it justifies it's position as a metallic element and a non metallic element in every way. This is very different from any other element that we know of. Hence the name rogue element.
Here rogue refers to something different from normal.So if Hyderogen is a rogue element, then we must look at it's behaviour. Hydrogen is the only element that has only one electron in it's outermost orbit. If so it can take an electron and get a duplet configuration (tobecome stable) or it may be able to donate an electron to attain a stable configuration. Hence Hydrogen is uniquely enabled to act as a metal, that is, electro positive element (think of HCl, HF etc) and also as electronegetive element as in ammonia and as in hydrides like NaH etc.
Although Hydrogen, thus, can justify it's place above Li in the modern periodic table, it can also by the very same anology be place above F in themodern periodic table. Hence it justifies it's position as a metallic element and a non metallic element in every way. This is very different from any other element that we know of. Hence the name rogue element.
