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Nitella [24]
4 years ago
6

Quick! I need to know about howold is the earth!?​

Chemistry
1 answer:
Salsk061 [2.6K]4 years ago
3 0

Answer:

4.543 billion years old

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I need to write down like meanings in those words. Please help!!
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Hope this helped!!!

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Which element has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d11 4p4?
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