What is lightest of all elements?

Answer 1

Hydrogen is the lightest element.

Answer 2

Paleoclimatolinium;

A form of hydrogen with no protons, neutrons....... only electron and cloud is present.
hydrogen
Hydrogen is the lightest element in the Periodic Table.

See the Related Questions link for more information about hydrogen.

Answer 3

Hydrogen.

This is also the lightest of all elements. All artificial elements are from 2 to about 300 times heavier than hydrogen.

Answer 4

The lightest of an elements is Hydrogen. Hydrogen 1.008 (H)

Answer 5

Technetium, atomic number 43 on the periodic table. It has an estimated atomic weight of 98.

Answer 6

Hydrogen is the lightest of all elements. It has an atomic number of 1 and an Atomic Mass of approximately 1.008 grams per mole.