
What is the chemical symbol for hydrogen?
Answer: H
Explanation:
The chemical symbol for hydrogen is H. This simple one-letter symbol represents the lightest and most abundant element in the universe. Chemical symbols are standardized abbreviations used by scientists worldwide to represent elements in the periodic table.
The symbol "H" comes from hydrogen's Latin name "hydrogenium," which literally means "water former." This name was given because when hydrogen burns in oxygen, it produces water (H₂O). The Swedish chemist Antoine Lavoisier coined this term in the late 18th century when he discovered that water was composed of hydrogen and oxygen.
Hydrogen holds the first position in the periodic table with an atomic number of 1, meaning it has just one proton in its nucleus. This makes it the simplest element possible. Some key characteristics of hydrogen include:
• It exists as a colorless, odorless gas at room temperature • It's highly flammable and burns with an almost invisible flame • It's the primary fuel for nuclear fusion reactions in stars • It makes up about 75% of the universe's normal matter • It's essential for life as we know it, being a component of water and organic compounds
In chemical equations and formulas, you'll always see hydrogen represented by the capital letter "H." For example, in water (H₂O), methane (CH₄), or hydrogen gas (H₂), the "H" consistently represents hydrogen atoms. Understanding chemical symbols like this is fundamental to studying chemistry and helps create a universal language that scientists around the world can use to communicate about elements and compounds.












