There is no answer to that as you can have as little or many as you want.
There are NO vertical ROWS, because rows run horizontally, and COLUMNS run vertically. There are 18 vertical columns in the periodic table.
A table in a database can have multiple columns (fields) and multiple rows (records). The number of columns and rows in a table can vary depending on the database design and the amount of data being stored.
There is no answer to that as you can have as little or many as you want.
The periodic table has 7 rows and 32 columns.
It is true that periodic table is divided into rows and columns. The rows are called periods and columns are called groups.
periods are the rows and families are the columns
The total number of rows and columns in a table is called the size or dimensions of the table.
You can add columns or rows to any table. Adding a row does not add extra columns, so yes you can do it.
Horizontal rows in Periodic Table are called Periods
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Yes. Tables in general are made up of rows and columns. If it is a database table it can be said to be made up of records which are rows and fields which are columns.