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Slav-nsk [51]
3 years ago
14

How many valence electrons does this atom have? (Urgent)

Chemistry
1 answer:
serg [7]3 years ago
4 0

Answer:

For example, atoms in Groups 1 and 2 have 1 and 2 valence electrons, respectively. Atoms in Groups 13 and 18 have 3 and 8 valence electrons, respectively. Valence electrons are responsible for the reactivity of an element. They determine how "willing" the elements are to bond with each other to form new compounds.

Explanation: it might be 18 my guess:)

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