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The row number describes the period. It signifies the number of shells.
Chromium (symbol: Cr; atomic number: 24) is in the fourth period, or row, of the periodic table.
An elements period is its row in the periodic table.
A horizontal row on the periodic table of elements is called a period.
A period is a row in the periodic table of elements.
The row number describes the period. It signifies the number of shells.
Chromium (symbol: Cr; atomic number: 24) is in the fourth period, or row, of the periodic table.
A chemical.
An elements period is its row in the Periodic Table.
An elements period is its row in the Periodic Table.
The number of period in periodic table.
Atomic number increases by one as we move from left to right in a periodic table.
An elements period is its row in the periodic table.
a horizontal row is called a period.a vertical row is called a group
The period number of an element is the row in which it appears.
All of the others in the same row of the Periodic Table as sodium.
Horizontal row in a periodic table is called Period.There are seven periods in a periodic table.All elements in a row have same number of electronic shells.