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Answered 2011-05-05 02:15:42

periods are the rows and families are the columns

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The periodic table is arranged in rows and columns. The elements are arranged in order of increasing atomic number.


Periodic table is arranged in rows and columns. there are 7 periods and 18 groups.


In the periodic table the columns are called groups and the rows are called periods.



Periodic Table is organised in rows and tables.Elements are arranged according to Atomic Number.There are 7 rows and 18 columns.


The elements are arranged in order of increasing atomic number in the periodic table. The rows are called periods and the columns are called groups.


Periodic table contains elements arranged in rows and columns. It is done according to increasing atomic number.


rows in a periodic table are called PERIODS columns in a periodic table are called GROUPS.


Elements are arranged in rows and columns. Elements are arranged in order of increasing atomic masses.


It is true that periodic table is divided into rows and columns. The rows are called periods and columns are called groups.


On the periodic table the columns are known as periods. They are horizontal rows in the periodic table of elements.


Because if it was just one row, or just one column then it would not be a table!



The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.


Mendeleev arranged the elements in the order of their atomic masses. he arranged the elements in columns and rows so that the elements with same characteristics are grouped together.


The columns in the periodic table are called groups, or families. The rows in a periodic table are called periods.


Yes!The elements are arranged in horizontal rows and vertical columns to represent what is called the periods on the periodic table.


Mendeleev arranged elements in order of atomic mass. He arranged elements in rows and columns that later helped in discovering modern periodic table.


the rows of the periodic table are called groups or families and the rows are called periods


The periodic table has 7 rows and 32 columns.


The rows on the periodic table are called periods and the columns are called families


The columns on the periodic table are called families and the rows are called periods


There are NO vertical ROWS, because rows run horizontally, and COLUMNS run vertically. There are 18 vertical columns in the periodic table.


Mendeleev arranged elements in rows and columns. He arranged elements according to atomic mass.


The periodic table of elements lays out the elements in rows and columns. Rows are arranged so that elements with predictable characteristics or properties are in the same column.



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