NaCl ionic but cucl convent why
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Almost for sure it is. NaCl is a pretty extreme example of ionic.
A general rule of thumb is that the greater the difference there is between the elements’ electronegativity, the more ionic it is. An even more useful rule of thumb, that is a bit more inaccurate, is that the farther apart the elements are in the periodic table, the more ionic the compound is.
Considering the first rule, Cl is 3.16, Na is 0.93 and Cu is 1.90 from which we can compute the differences NaCl (3.16 - 0.93 = 2.23), CuCl (3.16 - 1.90 = 1.26), clearly 2.23 > 1.26. The second rule works clearly also in this case.
A general rule of thumb is that the greater the difference there is between the elements’ electronegativity, the more ionic it is. An even more useful rule of thumb, that is a bit more inaccurate, is that the farther apart the elements are in the periodic table, the more ionic the compound is.
Considering the first rule, Cl is 3.16, Na is 0.93 and Cu is 1.90 from which we can compute the differences NaCl (3.16 - 0.93 = 2.23), CuCl (3.16 - 1.90 = 1.26), clearly 2.23 > 1.26. The second rule works clearly also in this case.
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cucl is more covalent than nacl because cu has same size as that of na & cucl has pseudonobal gas configration due to which it has 18 electrons in outermost shell than na cl which has 8 elctrons.
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