Rawhiya

The periodic table is a chart that organizes all the known chemical elements according to their atomic number, which is the number of protons in an atom. Elements are arranged in rows called periods and columns called groups, where elements in the same group have similar properties. Most elements on the left side are metals, which are shiny, strong, good conductors of heat and electricity, and usually lose electrons during chemical reactions. Elements on the right side are non-metals, which are usually dull, poor conductors, and often gain or share electrons. Between metals and non-metals are metalloids, which have properties of both. The periodic table also helps scientists understand an element's atomic structure, including the number of electrons and how they are arranged. By studying the periodic table, we can predict how elements will react, the compounds they form, and many of their physical and chemical properties.