Which one of the following substances would be expected to have the highest melting point? 1. Water (h2o) 2. Boron trifluoride (bf3) 3. Sodium fluoride (naf).

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?