Predict the bond formed between each of the following pairs of atoms is ionic, nonpolar or polar covalent?
Determine the type of bond (ionic, nonpolar covalent, or polar covalent) formed between the following pairs of atoms:
a) Sulfur (S) and Oxygen (O) in SO₃
b) Silicon (Si) and Phosphorus (P)
c) Calcium (Ca) and Bromine (Br)
d) Oxygen (O) and Oxygen (O)
e) Phosphorus (P) and Oxygen (O) in H₃PO₄
3 Answers
The key to solving this problem is to know the electronegativity values of the above atoms. If the difference between bonding atoms is under 1.2 they are considered to be covalent, above 1.8 they are ionic and between 1.2 – 1.8 they are polar covalent.
Now the electronegativity values and differences dE:
a) S = 2.58 and O = 3.44, dE = 0.86, it’s under 1.2 so the S—O bond is non polar.
b) Si = 1.90 and P = 2.19 dE = 0.29 so Si—P is even more non polar than S—O
c) Ca = 1.00 and Br = 2.96 dE = 1.96, it’s over 1.8 so Ca—Br is ionic as indeed one would expect when any metal such as Ca combines with a non metal such as Br
d) O and O are the same so the electronegativity difference is 0.00, O—O it’s a totally non polar bond.
e) P = 2.19 and O = 3.44 dE = 1.25 so the P—O bond is just about polar covalent
Find electronegativity values at:
http://mychemist.files.wordpress.com/2008/07/pauli…
Na and O form an ionic bond. They do so to satiafy their octets. They form Na 2 O, Na2O2, NaO2(superoxide). O & O form non polar covalent bond because of abscence in electronegativity diff. P&O form polar covalent bond.
Related Questions
How many oxygen atoms are in 2.00 grams of quartz? Could someone please provide a detailed explanation of the calculatio...
How many moles of CO2 are produced when 5.45 moles of ethane (C2H6) are burned in an excess of oxygen?
Suppose there are two known compounds containing the elements x and y, and you have a 1.00 g sample of each compound. Wh...
What is the hybridization of the phosphorus atom in PCl3? Additionally, could you please provide an explanation of the s...
How many moles of copper (Cu) are present in 1.48 × 10²⁵ atoms of copper?
What is the hybridization of the central atom in the molecules CH2F2 (difluoromethane) and COF2 (carbonyl fluoride)? Add...
What is the speed of light in kilometers per hour?
What is the standard height of a door, including the door frame's outer edge and the door itself?
Which of the following statements accurately describes American inventor Robert Fulton? a. He built a 133-foot paddlebo...
Which type of rock was excluded from the evidence supporting Harry Hess's hypothesis of sea-floor spreading? Specificall...