Hydrogen is the lightest element on the Periodic Table. Henry Cavendish collected Hydrogen by placing Zinc in an acid and originally called it inflammable air. However, Paracelsus of Switzerland had noticed 250 years before that Iron placed in acid gave off a gas and that gas would burn: but did not study it further.
The first element in the periodic table is hydrogen. It is the lightest and most abundant element in the universe.
"Hydrogen is the first element in the periodic table."
Helium is the second lightest element on the periodic table, with an atomic number of 2 and an atomic weight of approximately 4.0026 atomic mass units.
Helium is heavier than hydrogen. Hydrogen is the lightest and simplest element in the periodic table, while helium is the second lightest element.
Hydrogen is the lightest element, with an atomic number of 1. Its low atomic mass and simple structure make it the lightest element in the periodic table.
No, hydrogen is ?the lightest element in the periodic table.
The fourth lightest element on the periodic table is beryllium, with an atomic number of 4.
Hydrogen.
Helium with an atomic number of 2,is the lightest gas on the Periodic Table :)
Helium with an atomic number of 2,is the lightest gas on the periodic table :)
the element is Hydrogen
helium
The lightest element on the periodic table with no stable isotopes is hydrogen. It only has one proton in its nucleus and no stable isotopes.
The first element in the periodic table is hydrogen. It is the lightest and most abundant element in the universe.
Helium is the lightest member in group 18.
Hydrogen.
Helium is the lightest member in group 18.