2. Give a Halogen family member that is a semi-metal
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3. Align the following elements by increasing Metallic characteristic (MC) (Fe,Cl,Cs,Sr).
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4. Do atomic radii (AR) increase or decrease as you DOWN A Group.
5. Align the following in decreasing IE, (F, Ba, N, Be):
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6. A transitional element that is an exception to the electron configuration rules:
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7. Write down the element that has the lowest EN value.
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8. Align the following by increase Electronegativity (EN)(P, Ne, Ca, Zn):
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9. Give me one of the two exceptions to the general trend for going across a period for IE. Explain the reason why.
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10. Definition of Electronegativity (EN):
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11. Across a Period for Coulombic Force (CF): Trend:___________
Reason: (2011-2012 Do not do Reason)
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Part II: For following species, (PO43-, AsF5, H2O, SiS2, NH3), please fill out the [Worksheet for Molecular Geometry]
(2011-2012 Do Not Do)