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Periodic Table - Oxidation

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Nearly every compound of silicon has this element in the +4 oxidation state. In contrast, most compounds of lead have this element in the +2 oxidation state.

a) What general trend of the oxidation states does this observation illustrate?

b) What could you suggest as an explanation for this observation?

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(a) The general trend of the oxidation states indicate that for group 4A elements, the +4 oxidation state can exist for all elements, but it may not necessarily be the most stable. Silicon is stable at +4 and is covalent. Lead can exist with an oxidation ...

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Group Characteristics in the Periodic Table

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You are a group of young tutors teaching a group of 12 graders preparing for university entrance; your goal is to teach them periodic table group characteristics with emphasis on specific elements of each group.

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Hydrogen, Alkali metals, earth alkali metals, rare earth elements, group 4a elements, group 5a elemetns, group 6a elements, halogens and transition metals.

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