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Hydrogen and Helium

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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.


Is there a difference between mass and atomic mass when dealing with elements?

Generally the term "atomic mass" is used for isotopes. For elements is preferred now "atomic weight".


What element has the smallest atomic mass?

Hydrogen.


Which element had the smallest atomic mass?

Hydrogen


What element had the smallest atomic mass?

Hydrogen.


What is the element with the smallest atomic mass?

Hydrogen


How atomic number better than atomic mass?

No two elements may have the same atomic number. But two elements may have same atomic mass. Hence atomic number is better than atomic mass.


How were the elements in the periodic table arranged?

By Atomic Mass


How are chemicals related to atomic mass?

The molar mass of a compound is the sum of atomic weights of the contained elements in the molecule.The expression atomic weight is correct for elements; for isotopes is correct atomic mass.


How elements arrange?

On the periodic table, the elements are arranged by Atomic Mass. Helium and Hydrgen are at the way top of the table due to how they have the smallest amount of mass. The elements with the biggest mass are at the bottom.


What is the atomic mass of this elements?

Gold is a meta element. Atomic Mass of it is 197.


What did Mendeleev think of the properties of the elements depended of?

Atomic Mass.