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chemical combination
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The ion of metallic element is .................. charge, while the ion of non metallic element is ............... charge
positive , negative
The bond in sodium chloride is .............. bond,en molecule is ........... bond while the bond in nitrog
ionic , covalent
During the formation of NaCl molecule, ........... loses an electron which is gained by ............. atom.
Na , Cl
.................... is a bond formed between the atoms of non metals through sharing of each atom with a number of electrons to complete the outer electron shell of each atom.
covalent bond
.............................. is a bond resulting from the electric attraction a positive ion and a negative ion.
Ionic bond
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