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Blizzard [7]
4 years ago
5

Which element has a complete valence electron shell? selenium (Se) oxygen (O) fluorine (F) argon (Ar)

Chemistry
2 answers:
asambeis [7]4 years ago
5 0

Answer:

Argon (Ar)

Explanation:

kirill115 [55]4 years ago
3 0

Answer:

oxygen (O)

Explanation:

.

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What is the mass of 2.47 moles of fluorine (<br> f. atoms? 0.130 g 7.69 g 46.9 g my answer 282 g
mixer [17]

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calculation

mass of Fluorine= moles x molar mass

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