CH 7-8-9 - notes 3-periodic trends

CH 7-8-9 - notes 3-periodic trends - AP chem OMalley...

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AP chem – O’Malley Chapters 7, 8, 9 – structure & bonding 3 Name: ____________________ Text: p 399 – 301, 309 – 318 (7.10, 7.12) PERIODIC TABLE 1829 – Dobereiner sorted elements into ____________. 1864 – Newlands sorted elements into _____________. 1869 – Mendeleev sorted elements by atomic ____________. 1911 – Mosely sorted elements by atomic ____________. IONIZATION ENERGY 1. The ionization energy is the energy required to remove an _________________________ in the gas phase. 2. It is easier to remove an electron from a _______________ shell because it is more _______________. 3. Ionization energy ________________ across a row and ________________ down a group . 4. Successive ionization energies generally _________________. Al(g) → Al + (g) + e - i.e. = _____________ kJ/mol Al + (g) → Al 2+ (g) + e - i.e. = _____________ kJ/mol Al 2+ (g) → Al 3+ (g) + e - i.e. = _____________ kJ/mol Al 3+ (g) → Al 4+ (g) + e - i.e. = _____________ kJ/mol 7.8 Explain the following
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This note was uploaded on 09/19/2011 for the course CHEM 1110 taught by Professor Hansen during the Fall '11 term at St. Johns Duplicate.

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CH 7-8-9 - notes 3-periodic trends - AP chem OMalley...

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