(Fill in the blanks)   In general, as you go across a period in the periodic table from left to right             I) the atomic radius  __________ (increase/decrease)             II) the electron affinity becomes _________  negative (more/less)             III) the first ionization energy  __________ (increase/decrease)

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Q: In the space below, write the electron configurations of the following elements:   1).sodium…

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A: The solution is given below -

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Q: On the basis of periodic trends, choose the larger atom in each pair (if possible): Match the items…

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Q: Why does electron affinity tend to become more exothermic as you move right across a period? Hints

A: The electron affinity is the amount of energy released on addition of an electron to a neutral atom.

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