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How many valence electrons does each of these four elements have? how do you know? a) aluminum (al), b) fluorine (f), c) sodium (na), and d) calcium (ca)

How many valence electrons does each of these four elements have? how do you know? a) aluminum (al), b) fluorine (f), c) sodium (na), and d) calcium (ca)
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how many valence electrons does each of these four elements have? how do you know? a) aluminum (al), b) fluorine (f), c) sodium (na), and d) calcium (ca)

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User Nic Wortel
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The electrons that are in the last shell are considered as valence electrons.
how many valence electrons does each of these four elements have? how do you know-example-1
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User Foggzie
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