periodic table

Hydrogen : The lightest and most abundant element in the universe Helium : A noble gas that is colorless, odorless, and inert Lithium : Soft and silvery-white metal, highly reactive Beryllium : Strong, lightweight metal with high melting point Boron : Metalloid with various allotropes, used in ceramics Carbon : Basis of life, forms countless compounds, including diamonds Nitrogen : Essential gas in the atmosphere, inert and nonmetallic Oxygen : Vital for respiration and combustion, supports life Fluorine : Highly reactive halogen gas, used in toothpaste Neon : Noble gas used in neon signs, glows reddish-orange Sodium : Soft, silvery-white metal, highly reactive with water Magnesium : Light, strong metal, essential for biological processes Aluminum : Lightweight, corrosion-resistant metal, used in construction Silicon : Semiconductor used in electronics, also in glass and ceramics Phosphorus : Essential for life, found in DNA and cell membranes Sulfur : Yellow, odoriferous nonmetal, used in fertilizers Chlorine : Halogen gas, used in water purification and as a disinfectant Argon : Noble gas, inert and colorless, used in welding and lighting