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What element has the lightest average atomic mass?
Hydrogen
What is the 2nd lightest element?
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.
What did Dalton used the lightest element as his standard for atomic mass?
Dalton used hydrogen as his standard for atomic mass because it is the lightest element and was convenient for comparing the masses of other elements.
Is hydrogen the lightest element on the periodic table?
hydrogen has the least mass of all the elements, so yes in a way, it is.
This element was assigned relative atomic mass of one because it is the lightest element?
hydrogen
The element was assigned a relative atomic mass of one because it is the lightest element?
Hydrogen.
What is the lightest men made element?
Technetium which has an atomic mass of 98.
What is the lighest of all the elements?
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.
What is the lightest element metal?
Lithium is the lightest element metal with a relative atomic mass of 7 (3 protons, 4 neutrons).
Dalton used the lightest element as his standard for atomic masswhat is this element?
Hydrogen was used by Dalton as his standard for atomic mass.
What element is lightest the elements?
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.
What is the atomic number of the lightest element?
The atomic number of the lightest element is 1, which corresponds to hydrogen.
