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Melissa Ruiz Melissa Ruiz
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10 years ago
I'm in ap biology I need help! Asap
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10 years ago
Is this your question?

In a periodic table of elements, the elements in any given vertical column tend to behave chemically the same way. Why?

It's because they all have the same number of electrons in their outer most shell.
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10 years ago
Is this solved?
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