元素周期表查询，除了元素名称、元素序号、元素符号、相对原子量这些基本信息，还有熔点、沸点、密度等数据。对于一些常见元素还附有文字说明，文字说明包括元素的发现历史、分布、化学性质、生活应用等等信息，而且全部信息都存储在外部文件，便于修改。可以以元素名称查询、以元素序号查询或者以元素符号查询。很方便，自己留着用也不错。-Periodic Table of Elements inquiries, in addition to the element name, element number, element symbol, atomic weight relative to these basic information, as well as melting point, boiling point, density and other data. Also for some common elements with text, text that includes elements found in the history, distribution, chemical properties, application of life information, etc., and all information is stored in an external file, easy to modify. Element name can query to query the serial number element to element symbols or inquiries. Very convenient to keep with their own good.