The rows on the periodic table are called periods.
Metalloids are the elements that are found to the right of the zig zag in the periodic table
The periodic table of elements is the arrangement of elements according to atomic number increasing from left to right across rows of the table.
metals
Hydrogen
periodic table is an arrangement of elements. Thiamin is not an element and hence not on the periodic table.
similar properties
The Periodic Table of Elements is a way to arrange all of the chemical elements in a way so that each column of the table has similar electron structures, and behaves in a vaguely similar way. Follow the link below to see one example.
Periodic table is an arrangement of elements and the elements could be either solid or liquids or gases.
The "Periodic Table".
The periodic table
The Periodic Table.