Hydrogen atoms have one electron each. They combine into molecules of two so that they can share two electrons (one each). This is because the inner-most electron shell is at a lower energy state (and therefore more stable) when occupied by two electrons. Oxygen atoms have eight electrons each.
Hydrogen atoms have one electron each.While oxygen atoms have 8 electrons each.They combine into 2 molecules and share 2 electrons each.Because when occupied in 2 electrons the inner most electron shell is at its lower energy state .
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Explanation:
Hydrogen atoms have one electron each. They combine into molecules of two so that they can share two electrons (one each). This is because the inner-most electron shell is at a lower energy state (and therefore more stable) when occupied by two electrons. Oxygen atoms have eight electrons each.
Hydrogen atoms have one electron each.While oxygen atoms have 8 electrons each.They combine into 2 molecules and share 2 electrons each.Because when occupied in 2 electrons the inner most electron shell is at its lower energy state .
Explanation:
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