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Hydrogen.

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Which element has the smallest atomic mass What is its atomic number?

The element with the smallest atomic mass is hydrogen, which has an atomic mass of approximately 1.008 atomic mass units. Its atomic number is 1, indicating that it has one proton in its nucleus. Hydrogen is the simplest and most abundant element in the universe.


What element has the smallest atomic mass?

Hydrogen.


What is the element with the smallest atomic mass?

Hydrogen


Which 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 element has the highest atomic mass?

The element with the highest atomic mass is Oganesson.


Which element has a greater atomic mass A or B?

Element A has a greater atomic mass than element B if the atomic mass value of A is higher. The atomic mass represents the average mass of an element’s isotopes based on their abundance in nature.


Which element has an atomic mass of 16.00?

the element that has an atomic mass of 16.00 is sulfer.


What element has an atomic mass of 131?

The element with atomic mass 131 is Iodine (I)