What is the name for the relationship between two elements in the same group? I'm looking for a specific term which can be used to describe two elements in the same group of the Periodic Table. This would be useful since elements in the same group tend to have similar chemical/physical properties.
For example, is there a word that could fill in the blank: &quot;X is a _______ of Y&quot;, where X and Y are in the same group? It has to be something that is generalisable to all groups, not just one particular group, so terms like &quot;alkali metals&quot; or &quot;halogens&quot; are too specific.
The correct term is congener. Congeners refer to elements in the same group in periodic table.
For example, congeners of the Group 1 elements are Li , Na and K etc.
Therefore , X is a congener of Y is the right statement.