O Yes, it\'s a reasonable structure. O No, the total number of valence electrons
ID: 546089 • Letter: O
Question
O Yes, it's a reasonable structure. O No, the total number of valence electrons is wrong. The correct number is: L H,BO, O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 1.1 D Yes, it's a reasonable structure No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them The symbols of the problem atoms are Yes, it's a reasonable structure. No, the total number of valence electrons is wrong The correct number is: SF XeO No, some atoms have the wrong number of electrons around therm. The symbols of the problem atoms areExplanation / Answer
H3BO3 :
Total number of valence electrons in H3BO3 = 3(1) + (3) + 3(6) = 24.
In the given structure, there are 6 bonds (12 electrons) and 6 lone pairs (12 electrons); total 24 electrons.
Yes, It's a reasonable structure.
SF3- :
The total number of valence electrons = 6 electrons for S + 3x( 7 electrons for each F) + 1 electron for negative charge = 28
In the given structure, there are 4 bonds (8 electrons) and 10 lone pairs (20 electrons); total 28 electrons.
F atom is doubly bonded and has three lone pairs on it.
Therefore, No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are S and F.
XeO4:
The total number of valence electrons = 8 + 4(6) = 32.
In the given structure, there are 4 bonds ( 8 electrons) and 12 lonepairs (24 electrons); total 32 electrons.
Therefore, Yes, It's a reasonable structure.
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