A collection of data organized into columns and rows generally is called a TABLE.
true
table
table
Datasheet
It can be a table, or it could be a spreadsheet.
table
collection of rows and columns
The columns are called the "Groups" and the rows are called "Periods"
It is true that periodic table is divided into rows and columns. The rows are called periods and columns are called groups.
A datasheet or a table, which can be viewed in datasheet mode.
spreadsheet