a horizontal row is called a period.a vertical row is called a group
The horizontal row on the Periodic Table are called periods. There are 7 periods on the periodic table.
Hydrogen is found in group 1 row 1 of the periodic table
A period is a row of elements on the periodic table.
Ammonia is not on the periodic table. It is a compound, not an element.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
On a standard periodic table, Arsenic (As) is in Row 4, Column 15.
An elements period is its row in the Periodic Table.
An elements period is its row in the Periodic Table.
An elements period is its row in the periodic table.
A row in the periodic table is called a period. Columns are groups.
A row in the Periodic Table is called a period. Columns are groups.
A row in the Periodic Table is called a period. Columns are groups.
A horizontal row on the periodic table of elements is called a period.
Hydrogen is found in group 1 row 1 of the periodic table
A period is a row of elements on the periodic table.
A period is a row in the periodic table of elements.
In a periodic table a row is a period.
Ammonia is not on the periodic table. It is a compound, not an element.