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Yes, electrons have a mass, as everything has mass. However, an electron's mass is so small that it is considered to be 0.

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13y ago

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Why do you say the mass of any element is in the nucleus and you ignore the mass of the electrons?

The mass of any atom is in the nucleus because it contains both protons and neutrons. Protons and neutrons have a significantly greater mass than electrons do, so electrons are ignored when finding the mass of an atom.


An element's atomic mass does not include the mass of its?

An element's atomic mass does not include the mass of its electrons. Electrons have such a small mass compared to protons and neutrons that they are not typically included in calculations of atomic mass.


How many electron does it take to balance the mass of just 1 proton?

About 1837.This is why you can safely ignore the mass of electrons for any known element in rough calculations; the total mass of the electrons will be well under 0.1 amu.


How is mass related to electrons?

because the electrons plus the nuetrons equal the mass


What substance has electrons but no protons?

an electron smallest atom is hydrogen...1 proton and 1 electron


Is the number of electrons the same thing as the atomic mass in an atom?

No, electron count really doesn't have anything much to do with atomic mass. Let's look. Most of the mass of any atom is concentrated in the nucleus. It's the protons and neutrons there that give the atom "weight" and the electrons contribute almost nothing. Additionally, electrons can be loaned or borrowed by atoms, and this changes their mass very little. The number of electrons is not very "connected" to atomic mass of an atom.


What is the mass of 3 electrons?

depends on the electrons


Do electrons have mass?

Yes, electrons have a mass of 9.1094 X 10−31 kg.


When calculating an atoms approximate mass how is the mass of electrons figured?

electrons are the same as protons


Why mass of electrons is excluded from atomic mass?

The mass of electrons is not excluded from atomic mass. The mass number of an isotope of an element excludes electrons because it is the sum of protons and neutrons.From Wikipedia, "The atomic mass (ma) is the mass of a specific isotope, most often expressed in unified atomic mass units. The atomic mass is the total mass of protons, neutrons and electrons in a single atom."


How many electrons are present in an atom of mercury whose mass atomic number is 80 and whose mass number is 201?

no of electrons in any atom is equal to the atomic number of that element so no of electron is 80


When bromine reacts with other elements it gains electrons gaining electrons does not effect the mass of the bromine atoms explain why?

electrons have no mass