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The election configuration has of an element is 1s^2 2s^2 2p^1. How many valence electrons does the element have?
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The election configuration has of an element is 1s^2 2s^2 2p^1. How many valence electrons does the element have?

User Chenequa
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1 Answer

2 votes

Answer:

it has 3 valence electrons

Step-by-step explanation:

2+2+1 is 5, boron is 5 and its in the 3rd group

User Jordan Baron
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