CHEMISTRY SS1

Chemistry is a branches of science that deals with the composition, structure and properties of matter.

Valence electrons in the atoms of metallic crystals move about freely within the metallic crystal. As the electrons move about, they produce bonding among all the atoms present in the crystal. The bond produced this way is called the metallic bond.

chemical nomenclature, a preferred IUPAC name (PIN) is a unique name, assigned to a chemical substance and preferred among the possible names generated by IUPAC nomenclature. The "preferred IUPAC nomenclature" provides a set of rules for choosing between multiple possibilities in situations where it is important to decide on a unique name. It is intended for use in legal and regulatory situations

Water is the single most important substance on Earth.

1. Carbon has been described as an amazing element. One of the unique characteristics of carbon is that it forms bonds with other carbon atoms to form carbon frameworks to which atoms of other elements are attached.