Periodic Trends Answers – Flashcards
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| Atomic Radius:define |
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| Size of an atom, from the nucleus to outermost stable electron. |
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| Atomic Radius:Across |
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| Decreases as you go across, because the pull from the protons pulls in the electrons closer making it smaller. |
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| Atomic Radius:Down |
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| Increases, because you add more electron orbits so it is obviously getting bigger. |
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| Ionization Energy:Define |
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| The Energy required to remove an electron from an atom |
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| Ionization Energy:Across |
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| Increases as you go across, because obviously it's harder to take away for example 10 electrons than just remove 1. |
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| Ionization Energy:Down |
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| Decreases, because it's farther away from the nucleus anyways so it's easier. |
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| Electronegativity:Define |
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| Tendancy and ability of an atom to attract other electrons to share. |
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| Electronegativity:Across+Down |
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| Flourine is the most electronegative element so think of it as everything going to that one. It would increase as going across and then increase going up to flourine. |
