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An Atom contains both Protons & Electrons, and sometimes even Neutrons. An Electron is about 1/1840th the mass of a Proton or a Neutron, so Atoms are definitely much heavier.

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Q: Which is smallest in size - atom or electron?
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Related questions

Which is smallest in size an ion electron neutron or atom?

electron is the smallest


What is the smallest of subatom particles?

In the atom the electron is the smallest.


What is the smallest atom?

Hydrogen is the smallest atom by mass. Helium, neon, fluorine and oxygen are smaller in size. Many calculations put the helium as the smallest atom. But a few other calculations put neon as the smallest atom!


Which is the smallest part of an atom?

an electron


What the smallest particle of a atom?

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Is proton the smallest particle in a chemical element atom?

The smallest particle in the atom is the electron.


What is the smallest part of a ele ment?

You probably mean the smallest part of an atom. That would be an electron, because electrons are the particles making up atoms that are smallest in size.


What is the smallest part inside of an atom?

electron


What is the smallest part of atom?

Electron


Is the smallest part of an element is one atom?

The electron is the smallest component.


Which element has the smallest atom size?

The smallest atom is hydrogen.


What is the size of an atom versus an electron?

an atom is larger than an electron