Structured Lists Directory

TSV

Periodic Table Element Classification Systems - TSV

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"]