Hydrogen (symbol H) is the Lightest and Most Common Element.
That is true not only on Earth, but also in Space. It is the Mother of all other Elements ... all of the others were built by nuclear reactions on Hydrogen.
Hydrogen. It is also the lightest element and the first element that ever formed.
water is the and most found substance also earth and air
The first element in the periodic table is hydrogen. It is the lightest and most abundant element in the universe.
Hydrogen, the most common element in the universe.
The lightest and most abundant element in the entire Universe is hydrogen. Hydrogen has an atomic mass of nearly one.
Hydrogen
Hydrogen.
Hydrogen is the lightest chemical element. It has an atomic number of 1 and is the most abundant element in the universe.
No hydrogen is the lightest element.
Lithium!
Hydrogen, being the lightest element, would provide the most lift.
H Hydrogen which is the lightest element that is highly flammable element and He Helium the second lightest element with no fire risk. This is why helium is used in making balloons than hydrogen which is much lighter than helium.