Which solid contains more than one kind of bonding?A. IodineB. Silicon dioxideC. Sodium chlorideD. ZincAnswer is A.why?Doesn't SiO2 have permanent dipolar,weak vander waal forces ?

Which solid contains more than one kind of bonding?A. IodineB. Silicon

1.	Which solid contains more than one kind of bonding?A. IodineB. Silicon dioxideC. Sodium chlorideD. ZincAnswer is A.why?Doesn't SiO2 have permanent dipolar,weak vander waal forces ?
Answer» A IODINE Doesn't SiO2 have PERMANENT dipolar,weak vander WAAL FORCES