The "borderline" elements on the periodic table are the diagonal row of elements that separates the metals from the non-metals. They are called metalloids and the amphoteric line.
The periodic table contains seven rows of elements. The lanthanide series belongs to row six as elements 57-71. The actinide series belongs to row seven as elements 89-103.
The second row of the bottom 2 rows under the periodic table. (Period 7, starting at Group 4)
To find the period of an element on the periodic table, you look at the end of the row and see what number is there. For example, if your were trying to find the period of Oxygen, you would look all the way to the right or left side of the table and see what number there is, and you would find that oxygen is in period 2.
The third row, or period, has 6 electrons.The concept of "orbits" for the third (or any) row does not make sense. Please restate the question, giving more details, if I did not answer it to your satisfaction.
A horizontal row on the periodic table of elements is called a period.
A row of elements across the periodic table is called a period. Periods represent the number of electron shells in an atom.
Period
its called a period.
The rows are called periods. And the columns are called groups.
The rows going across the periodic table are called periods. As you go across a row, each element increases in number of protons and electrons, which distinguishes it from other elements in the 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.
Each horizontal row in the periodic table is called a period.
A row going across the periodic table is called a period. There are seven periods in the periodic table, each representing a different energy level for the elements within that row.
The horizontal row on the periodic table is called the "period". The vertical column is called the "group".