Question

Lewis dot signature of oxygen​

Answer 1

Answer:

The structure on the right is the Lewis electron structure, or Lewis structure, for H 2O. With two bonding pairs and two lone pairs, the oxygen atom has now completed its octet. Moreover, by sharing a bonding pair with oxygen, each hydrogen atom now has a full valence shell of two electrons

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Answer 2

Answer:

The rise of oxygen was bad news for the search for extraterrestrial life. Vents and other extreme milieus;they don't accumulate in the atmosphere.

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