Lec01 Matters At Atomic Level

Matters at atomic level Tran Anh Tuan Materials Engineer MES Team

Lecture map atomic arrangement in matters atomic bonding atomic structure covalent ionic metallic Van der Waals Gases Crystals Amorphous Liquids

Atom = proton + neutron + electron

Atom = proton + neutron + electron ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],no charge

Atom = proton + neutron + electron ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],nucleous core electronic shell ~ atom weight no charge

atomic arrangement in matters atomic bonding atomic structure covalent ionic metallic Van der Waals Gases Crystals Amorphous Liquids Lecture map

Covalent bonding Chemically Unstable Cl Cl Individual Cl atoms with 7 outer electrons

Covalent bonding Chemically Unstable bonding Cl Cl Cl Cl Individual Cl atoms with 7 outer electrons

Covalent bonding Chemically Unstable Chemically Stable bonding Cl Cl Cl Cl Individual Cl atoms with 7 outer electrons One Cl2 molecular with 8 outer electrons

Ionic bonding Li F Individual Li and F atoms with 1 and 7 outer electrons Chemically Unstable

Ionic bonding Li F bonding Li F Individual Li and F atoms with 1 and 7 outer electrons One LiF molecular with 8 outer electrons Chemically Unstable Chemically Stable

Metallic bonding metallic ion free electron Balanced Coulombic Stochastic Interaction. Metallic materials

Van der Waals bonding positively charged negatively charged Usually seen in polymeric materials + - + - + - + - Polarized molecular

Gaseous matters 2D illustration of atomic arrangement in gaseous matters

Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters

Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters no near - ordered

Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters no near - ordered no far - ordered

Solid crystals 2D illustration of atomic arrangement in solid crystals

Solid crystals absolutely ordered 2D illustration of atomic arrangement in solid crystals

Solid crystals absolutely ordered near - ordered 2D illustration of atomic arrangement in solid crystals

Solid crystals absolutely ordered near - ordered far - ordered 2D illustration of atomic arrangement in solid crystals

Liquid and amorphous 2D illustration of atomic arrangement in liquids and amorphous

Liquid and amorphous Partly, unstably ordered 2D illustration of atomic arrangement in liquids and amorphous

Liquid and amorphous Partly, unstably ordered near - ordered 2D illustration of atomic arrangement in liquids and amorphous

Liquid and amorphous Partly, unstably ordered near - ordered no far - ordered 2D illustration of atomic arrangement in liquids and amorphous

End of Lecture 01 Next: Lecture 02: Crystal lattice

Lec01 Matters At Atomic Level

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