electronegativity differences?
what is the electronegativity difference for each of the following pairs of elements and indicate the type of bond that will form (ionic, polar covalent, or nonpolar covalent)
Na & Cl
C & H
Se & O
N & N
Mg & Cl
Cu & Br
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ionic 2.3
covalent bond .5
covalent bond .9
nonpolar covalent bond 0
ionic 1.9
ionic 1.1
Electronegativity refers to an atom's ability to entice an electron in the time of a chemical bond. to be sure bond type, purely subtract the eletroneg values! It the variety is 0 to 0.4 = covalent, 0.40-one-a million.seventy 9 = polar covalent, a million.80 and larger = ionic. (different materials might have gently different selection for the polar covalent....)