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Lanthanides
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What is second period at the bottom of the periodic table called?
The first period is at the top of the table. It consists of hydrogen and helium. The bottom period is period 7.
What is the name of the rows of the periodic table?
The horizontal rows on the Periodic Table are called periods, while the vertical columns are called groups or families. For instance, iodine is in the same group, but different period to fluorine, chlorine and bromine.
A horizontal row of elements on the periodic table is called?
The horizontal rows of the periodic table are called Periods and the vertical rows are called groups.
What are the horizontal lines on the period table called?
the horizontal lines are called periods and the vertical lines are called groups.
Each row of elements on the periodic table is called a?
Each (horizontal) row is called a '''period''', whereas each (vertical) column is called a group.
The first period at the bottom is called?
lanthanides
What is second period at the bottom of the periodic table called?
The first period is at the top of the table. It consists of hydrogen and helium. The bottom period is period 7.
What is the period at the bottom of the table called?
Actinides
What are the first three periods of the periodic table called?
The first three periods of the periodic table are called the first period, second period, and third period.
What is a period property?
The properties which change regulary from top to bottom in a group and from leaft to right a period are called periodic property.
Which period was the earliest period?
The first period of human life is called pre-history
The first period the element at the bottom call?
Confuse question; probable you think to lanthanides.
What is the first element in a period called?
Hydrogen
What is the first month of life called?
The first month of life is called the neonatal period.
Where can period be on the periodic table?
On the left side (the first 12 columns + the bottom four in the 13th column+the bottom two in the 14th column+the bottom one in the 15th column)
What is the first line of a paragraph at the bottom of a column called?
Orphan
The second period at the bottom of the table is called the?
The second period at the bottom of the table is called the lanthanide series or the lanthanoid series. It consists of 14 elements with atomic numbers 57 to 70 and is located below the main body of the periodic table.
