Actually, electrons do have mass.
Electrons have a mass of about 9.109389 * 10−31 grams.
not necessarily it has the smallest charge
if there is a large amount of electrons, heat will be conducted very fast.
Electrons have a smaller mass than both protons and neutrons. Both protons and neutrons are over 1800 times as massive as electrons.
I'm not 100% certain what you were trying to ask, but I think the answer is "no". All electrons have the same rest mass.Valence electrons have higher energy (and therefore higher relativistic mass) than core electrons, if that's what you meant, but it's not a large factor; the difference in energy levels between valence electrons and core electrons even in large atoms is only a fraction of the electron's mass-equivalent energy.
Actually, electrons do have mass.
An electron has a very small mass, not a large mass.
because the electrons plus the nuetrons equal the mass
...electrons, as they account for a negligible mass relative to the atom as a whole (electrons make up 1/1840th of the total mass, to be precise).
depends on the electrons
Yes, electrons have a mass of 9.1094 X 10−31 kg.
electrons are the same as protons
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."
electrons have negligible mass. the mass of the ion depends on how many protons and neutrons are present.
electrons have no mass
Of the neutron, proton, and electron, the electron has the smallest mass.