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Valence electrons are outer shell electrons for main group elements. For the transition metals with partially-filed d shells, valence electrons are those electrons outside the noble gas core. The number of valence electrons indicates the maximum number of chemical bonds an atom can form.
The meaning of VALENCE SHELL is the outermost shell of an atom containing the valence electrons.
Group 18 elements (helium, neon, and argon are shown in Figure 2) have a full outer, or valence, shell. A full valence shell is the most stable electron configuration. Elements in other groups have partially filled valence shells and gain or lose electrons to achieve a stable electron configuration.
Valence electrons are located in an atomic nucleus ’s outermost shell (the valence shell). As they are farthest from the nucleus, they are loosely attached to it. They actively participate in all its reactions by forming bonds with the valence electron of the adjacent atoms.
Valence electrons are the s and p electrons in the outermost shell. The electrons present in the inner shell are core electrons. When we study and observe the atom of an element, we come across tiny subatomic particles called valence electrons.
Valence is typically the number of electrons needed to fill the outermost shell of an atom. Because exceptions exist, the more general definition of valence is the number of electrons with which a given atom generally bonds or number of bonds an atom forms.
Valence electrons are electrons that located in the outermost electron shell of an atom. These electrons, being the furthest from the nucleus and thus the least tightly held by the atom, are the electrons that participate in bonds and reactions.
In chemical bonding: Discovery of the electron. This shell is called the valence shell. The most important feature of the valence shell is that for the noble gases it is complete (in the sense explained below) with its full complement of electrons (i.e., eight, excepting the case of helium). Thus, the formation of chemical bonds appears to….
The valence shell is the set of orbitals which are energetically accessible for accepting electrons to form chemical bonds. For main-group elements, the valence shell consists of the ns and np orbitals in the outermost electron shell.
Valence electrons are the outer-shell electrons of an atom. Valence electrons determine the reactivity of an atom. Atoms have a tendency to have eight electrons in their valence shell. The attraction of oppositely charged ions is what makes ionic bonds.