Hydrogen is the lightest element in the universe, with a single proton and one electron in its nucleus.
Hydrogen is the lightest gas.
The atomic number of the lightest element is 1, which corresponds to hydrogen.
The lightest diatomic element is hydrogen (H2). It has a molecular weight of approximately 2 grams per mole, which is the lightest of all the elements.
The fourth lightest element on the periodic table is beryllium, with an atomic number of 4.
No hydrogen is the lightest element.
Hydrogen is the lightest element.
hydrogen is the lightest element
The lightest element known is hydrogen. It is the first element in the periodic table and has an atomic number of 1, making it the simplest and lightest element in the universe.
Hydrogen is the lightest element in the universe, with a single proton and one electron in its nucleus.
No, hydrogen is ?the lightest element in the periodic table.
The first element in the periodic table is hydrogen. It is the lightest and most abundant element in the universe.
The lightest element with only one proton is hydrogen.
Hydrogen is not only the lightest element of all, it is also very reactive.
The lightest element of all should have the lightest atomic mass. It is hydrogen-1 isotope. This atom has only one proton and no neutrons.
Hydrogen is the lightest gas.
The lightest artificial isotope is hydrogen-3, also called "tritium". The lightest element that has no naturally occurring isotopes is technetium.