Molec Shape And Bonding 1

Question 1

Larger ion has ……. attraction and hence ………. lower lattice energy

Answer 1

Weaker

Lower

Question 2

How do you assign formal charge

Answer 2

Number of valence electrons - ( number of lone pair electrons + 1/2 number of bonding electrons)

Question 3

In a non-polar covalent bond what is the electronegativity decrease

Answer 3

0.1-0.4

Question 4

In a polar covalent bond what is the electronegativity difference

Answer 4

0.5-1.9