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Hydrogen.

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Q: What element has the smallest atomic mass?
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Related questions

What is the element with the smallest atomic mass?

Hydrogen


Which element had the smallest atomic mass?

Hydrogen


What element had the smallest atomic mass?

Hydrogen.


Which element has the smallest atom?

hydrogen This is because it has the smallest Relative Atomic Mass =]


Where does the metal with the lowest atomic mass go on the periodic table?

In a given period, the element with lowest atomic mass will belong to group 1. It should also be noted that lithium is the metal with the smallest atomic mass.


What is the atomic mass for magnesiam?

Magnesium is a meta element. Atomic mass of it is 24.


Which element has the atomic mass of 126.9045?

The element is Iodine (I). It has an atomic mass of about 126.9.


What is the difference between the atomic number and the atomic mass?

Atomic mass is the mass of 1 mole of the element. Atomic number is the number of protons the element has


Which is the average of the mass numbers of an element's isotopes?

the Atomic Mass


What is the atomic mass of a nickel?

Nickel is a meta element. Atomic mass of it is 59.


What is the atomic mass of Antimony?

Antimony is a meta element. Atomic mass of it is 122.


What atomic mass does a calcium have?

Iron is a meta element. Atomic mass of it is 54. Atomic number of it is 26.