Feb 3rd, 2012
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Essay - bonding ability of elements.

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How and why are elements attracted to each other?The most important role in elements bonding is their outer shell that is called a valence shell. Bonding is greatly depend on the number of electrons that are left on the valence shell after all inner shells already have filled to their total capacity. According to the octet rule, only atoms with complete number of electrons are stable. For example, the noble gases that have 8 electrons on the outer shell, and thus, the most stable atoms. Complete opposite elements in terms of stability, would be halogens, like Cl and Br, for example. Halogens only have 7 electrons on their outer shell, and thus, just need one electron to be 'complete'. Therefore, halogens are not found as an atoms in the nature, but rather as molecules, like Cl2 and Br2. The more the valence shell is filled up in the atom, the more stable it

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