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MrMuchimi
2 years ago
8

Which pair of elements are in the same period?Hg & PbLi & NaB & ClO & As

Chemistry
1 answer:
Alexeev081 [22]2 years ago
4 0

Answer:

Hg Pb are in one, Li and B and O are in one, and NaCl are in one, As is alone

Explanation:

Periods are horizontal

Hope this helps!

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