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What element has an atomic number of 20 and two valence electrons in its valence shell?

What element has an atomic number of 20 and two valence electrons in its valence shell?
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5 votes
What element has an atomic number of 20 and two valence electrons in its valence shell?

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User Vladimir Gritsenko
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1 Answer

7 votes
calcium is the element
answered
User Storo
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8.6k points
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