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In which species does the central atom obey the octet rule? (Select all that apply.)
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Aleks 360 2 Semester Access Card For Chemistry
- Select all that apply.Consider the following molecular shapes.h5sil1031(a) Which has the most electron pairs (both shared and unshared) around the central atom?ABCD(b) Which has the most unshared pairs around the central atom?ABCD(c) Do any have only shared pairs around the central atom?ABCDNonearrow_forwardWhich of the following has nonpolar bonds? Group of answer choices I2 OF2 HF All are nonpolar H2Sarrow_forwardThe molecule XH3 has a dipole moment. Is X boron or nitrogen? Question 7 options: a) Nitrogen (N) b) Boron (B)arrow_forward
- 1. Which of the following Lewis Structures are correct? Select all that apply. 2. Which of these compounds are polar molecules? Select all that apply.arrow_forwardWhich of the following would be a valid resonance structure for the original structure? Select all that apply. 1.) A 2.) B 3.) C 4.) Darrow_forwardWhich of the following ions possess a noble gas electron configuration? Please select all that apply (a) K+ (b) H- (c) F- (d) He+ (e) O (f) Ca2+?arrow_forward
- 7 In a Lewis structure for a neutral molecule, the sum of the formal charges on the atoms is equal to zero. Group of answer choices True Falsearrow_forwardChoose the bond below that is most polar. Question 19 options: Si-Cl Si-S Si-F Si-P Si-Si Ge-Gearrow_forwardWhich of the following has polar bonds, but is not a polar molecule? Select all that apply. Element Electronegativity H 2.1 B 2.0 C 2.5 N 3.0 O 3.5 F 4.0 Si 1.8 P 2.1 S 2.5 Cl 3.0 Se 2.4 Br 2.8 I 3.0 Xe 2.6 -XeF4 -CS2 -NCl3 -IBr2- -SF4arrow_forward
- Which of the following is the correct setup and answer for the formal charge of sulfur in SH2? Select one: a. FC = 6 - (2 + 4) = 0 b. FC = 4 - (2 + 4) = -2 c. FC = 4 - (2 + 2) = 0 d. FC = 6 - (2 + 2) = +2arrow_forward17. What is the formal charge of Phosphorus in PO43-? (hint: draw the lewis structure first) Select one: a. 0 b. 1+ c. 1- d. 2+arrow_forwardWhich electrostatic potential map best represents the Cl2 molecule? Question 14 options: 2 1 3arrow_forward