Help plz.
Posted: Thu Feb 17, 2022 11:12 am
Help plz.
? (What is the formal charge on the oxygen atom in N20 (the atomic order is N-NO 5 (0.5) 3) 2 O 68-10 CO O der o e) +2 O Which of the following is a useful guideline for the application of formal charges in neutral 6 ?molecules (0.5) a) A Lewis structure in which there are no formal charges is preferred O b) Lewis structures with large formal charges (e.g., +2+3 and/or-2-3) are preferred c) The preferred Lewis structure is one in which positive formal charges are on the most electronegasve atoms O Assuming the octet rule is obeyed, how many covalent bonds will a carbon atom form to give a 7 ?formal charge of zero (0.5) a)0 O b) 1 O c) 2 O d)3 O e) 4 O
The number of resonance structures for the nitrate ion that satisfy the octet rule is.8 (0.5 نقطة) a) 1 b) 2 O c) 3 O d) 4 O e) None of these The total number of lone pairs in NC13 is.9 (0.5 نقطة) a) 6 O b) 8 O c) 9 O d) 10 O e) 13 O The total number of bonding electrons in a molecule of formaldehyde (H2CO) is. 10 (0.5 نقطة) a) 3 O 6) 4 O c) 6 O d) 8 O e) 18 O
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The number of resonance structures for the nitrate ion that satisfy the octet rule is.8 (0.5 نقطة) a) 1 b) 2 O c) 3 O d) 4 O e) None of these The total number of lone pairs in NC13 is.9 (0.5 نقطة) a) 6 O b) 8 O c) 9 O d) 10 O e) 13 O The total number of bonding electrons in a molecule of formaldehyde (H2CO) is. 10 (0.5 نقطة) a) 3 O 6) 4 O c) 6 O d) 8 O e) 18 O