The octet rule is a chemical rule of thumb that reflects observation that atoms of
main-group elements tend to combine in such a way that each atom has eight
electrons in its valence shell ... A sod...
An atom that has single electrons in its outermost shell? An atom that has single
... Atoms with less than 4 electrons in their outermost shell? represent a group of
The properties of an element are determined by its outermost electrons, ... Atoms
that do not have full outer shells will tend to gain or lose electrons, ... Each
element, when electrically neutral, has a number of electrons equal to its atomic
number. ... or lose electrons to attain stability; they are highly stable as single
The number of protons an atom has is called the atom's atomic number, and ...
Example of an unstable atom with a single electron in its outer-most shell.
Sodium (Na), for example, has one electron in its valence shell. ... An ion is any
atom that has gained electrons to have a negative charge (anion) or .... example,
will need to form four covalent bonds in order to fill its outermost shell. ...
Hydrogen tends to form covalent bonds because a single covalent bond will fill its
An atom's reactivity is determined by the number of electrons in its outermost
shell. ... metals, which are looking to lose the single electron in their outer shells.
... A: The element palladium has 10 valence electrons in its outermost shell, the
Sep 22, 2014 ... Each chemical element has nearly identical atoms. ... This is because the
electrons in the outermost shells would release more energy if ..... up this electron
to become H<sup>+1</sup> ion or shares its single electron with another atom in ...
May 18, 2012 ... Covalent bonds happen when each atom contributes one electron to a bond. ...
As with the straight-line covalent bond, the line that forms the u-bond represents
a single pair of electrons. .... Now, the outermost shell is n . In each ... in which a
main group element has more than 8 electrons in its valence shell.
The outermost orbital shell of an atom is called its valence shell, and the ... For
example, sodium (Na), which has a single electron in its outer 3s orbital, can lose
Description of the arrangement of electrons in atoms of various elements. ... The
sodium atom has a single electron in its outermost shell, while chlorine needs ...