epacheco1233 epacheco1233
  • 13-12-2019
  • Chemistry
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An element is in group 2, period 3. How many valence electro
Broup 2, period 3. How many valence electrons does this element?

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Juliangrantham111
Juliangrantham111 Juliangrantham111
  • 13-12-2019

Answer: 21

Explanation:

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crabb22
crabb22 crabb22
  • 13-12-2019

Answer:

2 valance electrons

Explanation:

Any element in group 2 will have 2 valance electrons all the way down the periodic table.

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