2007-10-25 07:32:55 · 2 answers · asked by mandi 1 in Science & Mathematics ➔ Chemistry
Covalent bonds of atoms of the same electronegativity form nonpolar bonds: H-H, F-F
Covalent bonds of atoms of different electronegativities form polar bonds: H2O, HCl
Atoms which have donated and accepted electron(s) are linked by ionic bonds.
Linus Pauling worked out a whole spectrum of nonpolar-polar-ionic bonds in which he calculated the % ionicity and the % covalency according to electrongegativity differences.
2007-10-25 07:39:38 · answer #1 · answered by steve_geo1 7 · 1⤊ 0⤋
a metal and a non metal make an ionic bond ex.. LiF.. MgO and so on..
a nonpolar bond has an electronegativity between 0.0 - 0.4
polar bond 0.5 - 2
ionic bonds have electronegativities greater than 2
2007-10-25 07:49:50 · answer #2 · answered by Melody 2 · 1⤊ 0⤋