Investigating Compound Properties and Elements (HSC SSCE Chemistry): Flashcards

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Investigating Compound Properties and Elements
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Properties: compounds vs elements

Completely different

Na + Cl forms?

Sodium chloride (table salt)

Electron config atoms seek via bonding

Noble gas configuration

Definition of ions

Charged particles (+ or -)

Ionic bonding definition

Complete electron transfer creating ions

Ions formed: Mg + O

Mg2+\text{Mg}^{2+} and O2\text{O}^{2-}

Covalent bonding definition

Atoms share electrons

Burning Mg safety risk

Produces bright white light

4 properties compared in investigation

State, appearance, conductivity, melting point

Why clean Mg ribbon before heating

Removes oxide coating

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