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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.
What else can I help you with?
Do valence electrons determine the atomic mass?
No, the valance electrons determine the charge, the atomic number is determined by the number of protons. Generally, electrons are equal to protons, but in ions it is different, so use protons.
How can one determine the number of valence electrons in an electron configuration?
To determine the number of valence electrons in an electron configuration, look at the outermost energy level of the atom. The number of electrons in this level is the number of valence electrons.
What type of properties do valence elcectrons determine for an element?
Valence electrons determine the reactivity of the element.
How can you determine the number of valence electrons an atom has?
The valence is determined experimentally.
What do these valence electrons do that make them are so important in chemistry?
the number of valence electrons determine the reactivity of the atoms
What are valence electrons and what do they do?
They determine how great is the valence of a chemical element; they are the electrons involved in the formation of a chemical bond.
How can one determine the number of valence electrons from an electron configuration?
To determine the number of valence electrons from an electron configuration, look at the highest energy level (n value) of the electrons in the configuration. The number of electrons in this highest energy level is the number of valence electrons.
What do you use on the periodic table to determine the number of valence electrons?
To determine the number of valence electrons, you look at the group number of an element on the periodic table.
How can one determine how to get valence electrons in an atom?
To determine the number of valence electrons in an atom, look at the group number on the periodic table. The group number indicates the number of valence electrons. For example, elements in Group 1 have 1 valence electron, elements in Group 2 have 2 valence electrons, and so on.
What terms is used to the electrons in outermost shell or energy level?
Valence electrons are the electrons in the outermost shell. They are the electrons available for bonding and generally determine the number of bonds an atom can make
How can one determine the number of valence electrons in an atom?
To determine the number of valence electrons in an atom, look at the group number on the periodic table. The group number indicates the number of valence electrons. For example, elements in group 1 have 1 valence electron, elements in group 2 have 2 valence electrons, and so on.
How can one determine the number of valence electrons in an element?
To determine the number of valence electrons in an element, look at the group number on the periodic table. The group number indicates the number of valence electrons. For example, elements in Group 1 have 1 valence electron, while elements in Group 2 have 2 valence electrons.
