ryanbauwens1
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Write the complete electron configurations with spaces between the sublevels. If you do not format correctly your answers will all be incorrect.

For example:

1a1 2b2 3c3 4d4

The ion configuration for an O-2 ion is (answer)

Respuesta :

OBEYNMURENJE

Answer:

O

2−

:

Explanation:

The atomic number of O=8=number of electrons

Number of electrons in O

2−

are 8+2=10

Electronic configuration will be 1s

2

2s

2

2p

6

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