<span></span>The solution would be like this for this specific problem:
<span> (atomic number) - (core electrons)</span>
Boron:
Atomic number: 5 Core electrons: 2
Boron will have the following: 2 core electrons and 3 valence electrons. (atomic number) - (core electrons)------> (5) - (2) = +3
<span></span><span>Oxygen: </span><span><span>Atomic number: 8 </span><span>Core electrons: 2 </span></span>
<span>Boron will have the following: 2 core electrons and 6 valence electrons. </span><span><span>(atomic number) - (core electrons)------> (8) - (2) = +6 | So the answer would be +3 and +6</span>.</span><span> I hope this helps and if you have any further questions, please don’t hesitate to ask again. </span>
Answer:
There are 18 groups in total on the periodic table
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Explanation:
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