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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?

2 Answers

2 votes

Answer: 21

Step-by-step explanation:

User Sinan Eldem
by
8.6k points
4 votes

Answer:

2 valance electrons

Step-by-step explanation:

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

User Ralt
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7.8k points
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