what happens when an polyatomic ion, intended to have negative charge , reacts with nonmetal like hydrogen. I wanna know what kinda compound (ionic or covalent) we will have? please explain.
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ANSWER :
Covalent bonds .
Explanation :
A polyatomic ion having a negative charge will always behave like a non-metal and will have the properties of non-metals too.
When this will react with a non-metal , obviously the compound formed will have a bond between two non - metals . Hence the bond will be covalent bond.
But how to identify the bonds in future ?
Whenever two non-metals react , the bond has to be covalent bond.
Whenever a metal and non-metal reacts , then the bond will be electrovalent bond .
In this case , a polyatomic ion will always act as a non-metal because it has a negative charge .
ONLY NON-METALS HAVE A NEGATIVE CHARGE BECAUSE THEY ARE ELECTRON ACCEPTORS .
Hence the bond is between two non-metals .
anushka2451:
i mean
cuz non metals generally have high electronegativity
like when the difference is less then 0.4 that you are gonna have covalent bonding and if its between 1.7 to 0.4 than polar
then what is the bond between hydrogen and oxygen ?
in water molecule ?
polar
bonding
oxygen part is more greedy
compare that with this example ... this problem
why???
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