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Chemistry 30 Online
OpenStudy (anonymous):

How many electrons does oxygen have to gain in order to achieve a noble-gas electron configuration? A. 3 B. 1 C. 4 D. 5 E. 2

OpenStudy (anonymous):

Can anybody explain?

OpenStudy (anonymous):

E. do you know why?

OpenStudy (anonymous):

No, can you please explain?:(

OpenStudy (anonymous):

well here is the break down you know how nobble gasses are on the far right of the table

OpenStudy (anonymous):

yes....

OpenStudy (anonymous):

that's because they have 8 valence electrons. and as you move left the number of valence number of valence electrons goes down to one. transition metal most always have 2

OpenStudy (anonymous):

get what i'm saying

OpenStudy (anonymous):

YES! Thanks!

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