Not necessarily. However, when referring to weight, lightest would indicate the lowest weight.
Hydrogen is the lightest substance among these four elements. It has the lowest atomic number and atomic weight, making it the lightest element on the periodic table.
That would be boron, with an atomic mass of 10.811.
The sample with the lowest density would likely be the one that is the lightest for its volume. This can be achieved with materials like Styrofoam or a gas.
I dont know the exact number but I do know that the lightest car ever is the "Smart".
The opposite of lightest is heaviest.
Helium is the second lightest element. Helium has the lowest boiling point among all the elements. It is chemically inert.
the lightest elements are gases and the lightest of these are hydrogen and helium.
A very spectacularly lightened liquid for of material.
The lightest element in the group 2 of the periodic table of elements is calcium - with a density of 1,55 g/cm3.
The lightest metal is lithium.
The superlative form of the adjective 'light' is lightest.
Hydrogen is the lightest element. The isotope protium is the lightest kind of hydrogen atom.