A compoundA substance made up of two or more elements and having those elements present in definite proportions; a compound can be decomposed into two or more different substances. that consists of molecules in which atomsThe smallest particle of an element that can be involved in chemical combination with another element; an atom consists of protons and neutrons in a tiny, very dense nucleus, surrounded by electrons, which occupy most of its volume. are attached to one another by covalent bonds; a compound where the solidA state of matter having a specific shape and volume and in which the particles do not readily change their relative positions. is soft, that has low meltingThe process of a liquid forming from a solid. and boiling points, and with low electrical conductivity in solid and liquidA state of matter in which the atomic-scale particles remain close together but are able to change their positions so that the matter takes the shape of its container states.
Printer Friendly Version will open a new window that has a clean view of the page you are viewing, plus any sub-pages. Warning: if you attempt to view a print version of the top page of a path, this could result in a very large file.
PDF Version will prompt a download of only the current page you are viewing.