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Chemistry, 06.09.2020 01:01, keepcalmands2930
If there are two elements in the same group, what is the same about them? Atomic mass, or they have the same number of valence electrons? (There are other options but i seriously doubt that they are correct)
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Answers: 2
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If there are two elements in the same group, what is the same about them? Atomic mass, or they have...
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