A table in which properties of elements are repeated after some interval.
A group is vertical column. There are 18 groups in periodic table.
what he meant by it was it meant the same as periodic table.
There seems to be a typo in your question. If you meant a "horizontal row" (left to right) of the periodic table, those are called periods. If you meant a "vertical column" (up and down) of the periodic table, those are called groups.
No, "Le" is not a recognized chemical element on the periodic table. The periodic table includes elements with symbols such as Li for lithium and Ne for neon, but there is no element with the symbol "Le." If you meant an abbreviation or specific context, please clarify!
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
"Family of elements" is the synonym of group (column) in the periodic table of Mendeleev.
A group in Periodic Table is the column of element in periodic table
It is called the Periodic Table of Elements.
who introduced the first Periodic Table
There are no compounds on the periodic table. The periodic table only lists elements.
Zi is not a recognized element on the periodic table. If you meant Zn, it stands for Zinc, which is a metallic element commonly used in a variety of industries, including galvanization and battery production.
No, the symbol "H" stands for Hydrogen on the periodic table. The symbol "He" stands for Helium on the periodic table.