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In which of the following species does the central atom not obey the octet rule?
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- Explain why nonmetal atoms in Period 3 and beyond can accommodate greater than an octet of electrons and those in Period 2 cannot do so.arrow_forwardAccording to the VSEPR model, what are the arrangements of two, three, four, five, and six valence-shell electron pairs about an atom?arrow_forwardWrite reasonable Lewis structures for the following species, none of which follow the octet rule. (a) BeCl2 (b) SeO2- (c) ClO3 (d) CH3arrow_forward
- Do any of these follow the octet rule if so which ones? (a) POCl3 (b) SO4 2- (d) ClO4 1-arrow_forwardSelect which of the following compounds violate the octet rule. more than one answer, SF4 H2O SF5arrow_forwardWhich one of the following compounds does not follow the octet rule? A) NF3 B) CO2 C) CF4 D) Br2 E) NO2arrow_forward
- Which of the following compounds has a Lewis structure that does NOT break the octet rule? Question 6Select one: a. CO2 b. BF3 c. SF6 d. BeF2arrow_forwardWhich of the following compounds does not follow the octet rule? (a) N2 (b) BeCl2 (c) CH4 (d) NH3arrow_forwardWhy does NO3- Violate the octet rulearrow_forward
- In which one of the following species is the central atom (the first atom in the formula) an exception to the octet rule? SF6 I2 BH4– NH3 NH4+arrow_forwardWhich of the following molecules has a central atom that violates the OCTET rule? I. NH3 II. SF4 III. PCl5 A. I, II, and III B. II ONLY C. III ONLY D. II and III ONLY E. I and III ONLYarrow_forwardIn the following list of molecular formulas identify which violate the octet rule for the central atom. a) NH3 b) PCl5 c) CS2 d) ClF3 e) PCl3arrow_forward
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