They both comprises of rows and columns.
There is a fixed pattern.
Definition of Periodic Table of Elements: (chemistry) a tabular arrangement of the chemical elements according to atomic number as based on the periodic law.
the answer is calendar
Elements
The periodic table is often referred to in the context of the "calendar of elements," as it organizes chemical elements based on their atomic number, electron configuration, and recurring chemical properties. This arrangement allows scientists to predict the characteristics and behaviors of elements, much like a calendar provides a framework for understanding and organizing time. Each element's position in the table reflects its relationships with other elements, similar to how dates in a calendar relate to one another.
I have no idea how to answer that. All the things listed in the periodic table are elements, and there are a lot more than 32 of them.
periods of the periodic table.
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
Lanthanide elements
The periodic table was not 'identified.' It is simply all known elements ordered by similar qualities and atomic number, among other things.
H2O isn't a single element, which is what the periodic table Most things are made of compounds of these elements. . It is comprised of 2 hydrogen atoms (H, on the periodic table) and oxygen (O, on the periodic table).
Another name for a group on the Periodic Table is a column.
A group in Periodic Table is the column of element in periodic table