Science Fair Project Encyclopedia
The s-block of the periodic table of elements consists of the first two groups: the alkali metals and alkaline earth metals, plus hydrogen. These elements are distinguished by the property that in the atomic ground state, the highest-energy electron is in an s-orbital. Elements of the s-block are strong reductants.
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details