Chemistry
Electronegativity
Name________________ Date_______
1.) According to the Electronegativity Chart, if the electronegativity difference
is between _____ and _____ the bond will be covalent.
2.) According to the Electronegativity Chart, if the electronegativity difference
is between _____ and _____ the bond will be polar covalent.
3.) According to the Electronegativity Chart, if the electronegativity difference
is between _____ and _____ the bond will be ionic.
4.) The central atom of a molecule is usually the ______________
electronegative.
5.) Knowing the above...find the central atom from the following groups...
a.) H, Ca, N
_____
b.) Cr, B, F
_____
c.) K, Mg, Cl
_____
6.) Determine the type of bond (covalent, polar covalent, ionic) takes place
between the following...(these are ficticious combinations)
a.) Li & Cl
__________
b.) C & O
__________
c.) H & O
__________
d.) Ni & Cu
__________
e.) Ag & Ge
__________
Electronegativity
Chart
Differences
0.0-0.4...
Covalent
0.5-1.7...
Polar Covalent
Greater than 1.8...
Ionic
Electronegativity Difference
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2
Lanthanide
Series
Actinide
Series