electron affinity is positive |
7 |
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electron affinity is positive or negative |
7 |
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electron affinity is negative or positive |
3 |
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some electron affinities are positive |
2 |
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electron affinities of alkaline earth metals are positive |
1 |
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second electron affinities are positive |
1 |
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the electron affinity of magnesium is positive |
1 |
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the electron affinity of nitrogen is positive |
2 |
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second electron affinity of oxygen is positive |
2 |
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second electron affinity is positive |
3 |
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second electron affinity is always positive |
4 |
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2nd electron affinity is positive |
1 |
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first electron affinity is positive |
1 |
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the electron affinity of alkali earth metals is positive |
1 |
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the second electron affinity of oxygen is positive |
1 |
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