Markdown
Periodic Table Element Classification Systems - Markdown
The periodic table element classification systems categorize chemical elements based on their electron configurations and chemical properties according to international standards established by IUPAC. Elements are systematically organized from multiple perspectives including block classification (s, p, d, f), metal/nonmetal/metalloid classification, group classification (Groups 1-18), and period classification (Periods 1-7). These classifications are widely used in various fields such as predicting chemical reactions, understanding elemental properties, education, and industrial applications.
periodic table
element classification
chemistry
IUPAC
electron configuration
atomic structure
| code | slug | name | description | subCategories |
| --- | --- | --- | --- | --- |
| block | block-classification | Block Classification | Element classification method based on electron orbital filling. | ["s-block","p-block","d-block","f-block"] |
| metal-nonmetal | metal-nonmetal-metalloid-classification | Metal, Nonmetal, and Metalloid Classification | Classification method that categorizes elements into metals, nonmetals, and metalloids. | ["metals","nonmetals","metalloids"] |
| group | group-classification | Group Classification | Element classification by vertical columns (Groups 1-18) of the periodic table. | ["group-1","group-2","group-3-to-12","group-13","group-14","group-15","group-16","group-17","group-18"] |
| period | period-classification | Period Classification | Element classification by horizontal rows (Periods 1-7) of the periodic table. | ["period-1","period-2","period-3","period-4","period-5","period-6","period-7"] |
| main-transition | main-group-transition-element-classification | Main Group and Transition Element Classification | Classification method that categorizes elements into main group elements and transition elements. | ["main-group-elements","transition-elements","inner-transition-elements"] |
| chemical-family | chemical-family-classification | Chemical Family Classification | Classification method that names groups of elements with similar chemical properties. | ["alkali-metals","alkaline-earth-metals","halogens","noble-gases","pnictogens","chalcogens","lanthanoids","actinoids"] |