Atomic Size and Electronegativity

Q.

How do you determine if a covalent bond is polar or nonpolar?

Q.

How do I know if a bond is polar?

Q. Which of the following bonds will be most polar?

1. N - Cl
2. O - F
3. N - F
4. N - N

Q. Atomic radii of group 15 elements is of the order

1. N>P>As>Bi>Sb
2. N>P>As>Sb>Bi
3. N<P<As<Sb<Bi
4. N<P<As<Sb>Bi

Q. Question 45
Complete the following crossword puzzle (Fig, 3.1) by using the name of the chemical elements. Use the data given in Table 3.2.