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a) would you expect to find an element having both a very large 1st Ionization Energy and an electron affinity that is also a large positive number? Explain b) two elements are in the same group, one following the other. One is a metalloid; the other is a metal. Both form oxides of the formula RO2. the first is acidic; the next is amphoteric. Identify the two elements and explain your reasoning.

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