the atomic number of Fe, Na and Ne are 9,10 and 11 why Na and Fe are very reactive and Ne. show all most no reactivity?
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Because of the normal atomic mass and from the view of chemist the fe and na are made of the same phenomenon
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That’s not Fe its F ( fluorine)
F is a non metal and needs only one electron for completion of its octet ( valance electron) and sodium is a metal with one extra electron to complete its octet.
All elements want a complete octet or doublet( in case of first 5 elements) to gain stability.
As neon octet is complete it’s known as inert or noble gas ( show no reactivity) . Just like neon there are many other noble gases ( he, ar, kr, Xe) and other elements want there octet to be completed so they react. Have any doubt comment it
F is a non metal and needs only one electron for completion of its octet ( valance electron) and sodium is a metal with one extra electron to complete its octet.
All elements want a complete octet or doublet( in case of first 5 elements) to gain stability.
As neon octet is complete it’s known as inert or noble gas ( show no reactivity) . Just like neon there are many other noble gases ( he, ar, kr, Xe) and other elements want there octet to be completed so they react. Have any doubt comment it
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