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Published byVeronica Conley Modified over 9 years ago
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Bonding in Metals Objectives: How are metal atoms arranged? Why are alloys important? Write the names for ionic compounds, molecular compounds, and acids. Key Terms: Hydrate, anhydrous substance, metallic bond, alloy
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Metallic Bonding Metals are made of tightly packed cations floating in a sea of electrons – valence electrons float freely between positively charged metallic ions – Explains conductivity of metals the electron in the electric current replaces the valence electron in the metal
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Alloys – Alloys are solutions of metals the properties are often more desirable than the parent metals that formed them
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Naming Rules (Review) Ionic Compounds: monatomic ions - – the name of the metal cation stays the same – the name of the non-metal anion gets the suffix -ide added (O-oxide, Cl-chloride, S-sulfide polyatomic ions - – name of the polyatomic ion without changing the suffixpolyatomic ion – -ate and –ite are common suffixes (-ate having more O attached to central atom) Exceptions OH - (hydroxide), CN - (cyanide), & O 2 2- (peroxide) Transitional metals – State the number of the charge after the metal ex: Cu(NO 3 ) 2 - copper(II)nitrate Cu(NO 3 ) - copper(I)nitrate
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