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Interaction of atoms-1.docx

Interaction of atoms-1.docx - Two atoms with incomplete...

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Two atoms with incomplete outer shells (valence shells) interact This would be all atoms except the Noble Gases in the far right column of the Periodic Table. The main atoms we are concerned with are CHNOPS. The atoms SHARE electrons because their “strengths” are similar – one is not “strong” enough to steal the electron from the other. This forms a COVALENT BOND This also forms a MOLECULE , which is two or more atoms covalently bonded together Atoms EXCHANGE electrons because one is “stronger” than the other and can steal the electron from the weaker one. Forms two IONS Gain electron add a NEGATIVE charge become a negative ion or an ANION LOSE electron remove a NEGATIVE charge become a positive ion or a CATION The newly formed anion (-) and cation (+) attract each other form an IONIC BOND. This forms an IONIC COMPOUND , and because of its charges, this compound will
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