Which of the following is a property shared by all of the elements in group 18 on the periodic table? a. they all have a strong odor. b. they are all brightly colored. c. they all have high chemical reactivities. d. they are all gases.

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull