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Helium
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What is the 1st element?
Hydrogen is the "lightest" element.
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 element is the most lightest and most abundant element in the universe?
The lightest and most abundant element in the entire Universe is hydrogen. Hydrogen has an atomic mass of nearly one.
The lightest known element with only one proton is?
Hydrogen is not only the lightest but the only known element with only 1 proton per atom.
Dalton used the lightest element as his standard for atomic masswhat is this element?
Hydrogen
Is Neon a nonreactive element?
Yes, it is after helium the 2nd lightest noble gas.
Is carbon the lightest element?
No hydrogen is the lightest element.
Is helium the lighest element?
No, Hydrogen is lighter than Helium. However, Helium is the 2nd lightest element with an atomic number of 2.
What is the lightest known element with only one proton?
Hydrogen is the lightest element.
What is the lightest element oxygen helium neon or hydrogen?
hydrogen is the lightest element
What is the lightest element in the universe?
Hydrogen. It is the lightest element in the known universe.
What is the lightest metal element?
Lithium is the lightest metallic element. Its atomic weight is 6.491.
Is oxygen the lightest element on the periodic table?
No, hydrogen is ?the lightest element in the periodic table.
What is the lightest element with only one proton?
The lightest element with only one proton is hydrogen.
What is the lightest reactive element?
Hydrogen is not only the lightest element of all, it is also very reactive.
What is the 1st element?
Hydrogen is the "lightest" element.
What is the lightest artificial element?
The lightest artificial isotope is hydrogen-3, also called "tritium". The lightest element that has no naturally occurring isotopes is technetium.
