The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
The horizontal rows are named 'PERIODS'. The vertical columns are named 'GROUPS'.
number of protons
groups
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 general term is a matrix. But you may be asking about a specific set of information, such as the periodic table?
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
rows. the vertical columns are called periods
They are the horizontal rows in the periodic table
The horizontal rows are referred as periods. There are 7 periods in periodic table.
The two names for horizontal rows on the periodic table are periods and series.
Yes. the horizontal rows on the periodic table are called periods.
period
The horizontal rows in the periodic table are known as periods. There are seven periods in the periodic table, each representing a different energy level or shell in which the elements' electrons are located.
Horizontal rows on the Periodic Table of Chemical Elements are called periods.
The horizontal rows on the Periodic Table are called periods.
The horizontal rows are called periods
The horizontal rows on the periodic table are called periods.