The Octet Rule.

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Presentation transcript:

The Octet Rule

Element Party. http://www. youtube. com/watch Element Party! http://www.youtube.com/watch?v=wBCmt_pJTRA Which elements are the most reactive? Which elements do not react at all?

What is so special about the Noble Gases? Noble gases are stable because they all have a full valence shell.

NOBLE GAS ENVY All other elements want be like Noble Gases All other elements want to have a full valence shell, just like the Noble Gases

Octet Rule Atoms will gain, lose, or share valence electrons in order to achieve a full valence shell, like a noble gas

How to use the Octet Rule Nonmetals: Attract electrons (high electronegativity) Gain electrons to get a full valence shell (8 valence electrons) Become negatively charged ions (anions) Metals Do not attract electrons (low electronegativity) Lose electrons and empty the valence shell Become positively charged ions (cations)