Atoms and the Periodic Table

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Presentation transcript:

Atoms and the Periodic Table

The History of the periodic table…

History of the atom…

Structure of the atom…

Isotopes and Isotope Notation

Energy levels and spin of electrons

Periodic Trends: metals, nonmetals, metalloids - Also called semiconductors

Periodic Trends: ionization, atomic radii, electronegativity

Periodic Trends: Ionization Energy The energy needed to pull off an electron

Periodic Trends: Atomic Radius

Periodic Trends: Electronegativity …Attractive force an atom has for shared electrons

Periodic Trends: Bonding Valence electrons vs Valence of an atom = bonding capacity

Lewis structures of atoms – valence electrons

the Ionic Bond

Lewis Structure of Compounds: the Ionic Bond

Lewis structures of Compounds: the Covalent Bond

Predicting bonds: Ionic and covalent Metal + nonmetal Nonmetal + nonmetal

Polar molecules vs Nonpolar molecules

London forces, dipole forces and Hydrogen bonds

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