Aluminum (AL)
Arogan
Hydrogen is the lightest chemical element; the chemical symbol is H.
Hydrogen is the lightest and most common atom in the universe. It has the symbol H and an atomic number of 1.
The atomic number of the element with the symbol Be (Beryllium) is 4.
Na There is no atomic element.
The symbol for the chemical element sodium is Na and its atomic number is 11.
Krypton is an element with symbol Kr and atomic number 36.
Hydrogen was the chemical compound found on the moon in 1998. It has a chemical symbol of H and atomic number of 1. It is the lightest element on the periodic table.
The element with atomic no. 110 is Darmstadtium. Its symbol is Ds.
the number above the symbol is the atomic....... of that element.
Atomic Symbol
Each column will generally have the symbol of the element (sometimes name of the element also), the atomic number, the mass number, the state in which the element is present at room temperature. Some periodic table will also have the electronic configuration or electronegativity.
The symbol of sodium is Na and its atomic number is 11.