Cracking the SAT Chemistry Subject Test

(Marvins-Underground-K-12) #1

Two examples:


Draw    the Lewis   diagram for PF 3.

1)  P   +   F(3)

5   +   7(3)    =   26  valence e−

2)

3)

4)

5)  26  assigned    e−  =

26  valence e−  ✓
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