4 years ago

[Send a message] as you move across a row from left to right in the period table, atomic numbers of the elements

Chemistry

1 answer:

SashulF [63]4 years ago

6 0

I think it might be D or B
And my other two might be A or C

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3 years ago

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3 years ago

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3 years ago

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vlabodo [156]

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