A dot and cross diagram for sodium chloride suggests that it is made up of pairs of sodium and chloride ions. It is not. A 3D construction model shows how the ions are arranged in a lattice structure.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The lab-created compounds — never seen before — might exist naturally on icy moons in the outer solar system. By Kenneth Chang Scientists have discovered two new forms of salty ice that probably do ...

Researchers discovered two new crystals made from water and table salt at low temperatures, below about minus 50 C. The known structure (left) has one salt molecule (yellow and green balls) to two ...