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What is the smallest element?
ATOM
Which elements have the smallest atomic mass?
Hydrogen and Helium
What element have the smallest atomic radius?
Atomic Radius gets greater down the periodic table and gets smaller to the right in the periodic table. This means, in order of atomic radius, that the five smallest elements are Helium, Neon, Fluorine, Oxygen, and Hydrogen in that order. Check all of it out at http://www.ptable.com/ under properties>radius
Is helium the lighest element?
No, Hydrogen is lighter than Helium. However, Helium is the 2nd lightest element with an atomic number of 2.
Which element has the smallest atomic size from first 4 periods?
Helium has the smallest atomic size among elements in the first four periods of the periodic table. It has the smallest atomic radius due to its high effective nuclear charge and low electron-electron repulsion.
Which element has the smallest atomic number helium carbon nitrogen hydrogen?
Hydrogen.
Which of these elements has the smallest atomic radius?
The answer choices for this question wasn't provided. Oxygen has the smallest atomic radius. The higher the electronegativity in an element makes the atomic radius smaller.
What is the shortest atomic radius of an element?
Helium usually is listed with the smallest atomic radius when calculated. Hydrogen however has a smaller van der Waals radius
What is the smallest element?
ATOM
Which elements have the smallest atomic mass?
Hydrogen and Helium
Is the element with the least atomic mass hydrogen or is it helium?
The answer is Hydrogen.
What is the lighter element hydrogen or helium?
Hydrogen. It's first on the periodic table, with usually a sigle proton, and an atomic weight of 1.00794.
What element have the smallest atomic radius?
Atomic Radius gets greater down the periodic table and gets smaller to the right in the periodic table. This means, in order of atomic radius, that the five smallest elements are Helium, Neon, Fluorine, Oxygen, and Hydrogen in that order. Check all of it out at http://www.ptable.com/ under properties>radius
What element has the smallest atomic radius?
Helium usually is listed with the smallest atomic radius when calculated. Hydrogen however has a smaller van der Waals radius The protium isotope of hydrogen has the smallest nucleus radius. It is 1.6 fm
What has the smallest atomic radius out of hydrogen sodium and lithium?
Helium has the smallest atomic radius out of hydrogen, sodium, and lithium. This is because helium has a full electron shell, leading to a smaller effective nuclear charge that pulls the electrons closer to the nucleus, resulting in a smaller atomic radius.
Is helium the lighest element?
No, Hydrogen is lighter than Helium. However, Helium is the 2nd lightest element with an atomic number of 2.
Which element is smallest Excluding H and He element in the periodic table?
Lithium is the smallest element in the periodic table if Hydrogen and Helium are excluded.
