DP Chemistry (first assessment 2025)

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Structure 2. Models of bonding and structure » Structure 2.2—The covalent model » Structure 2.2.13—Some atoms can form molecules in which they have an expanded octet of electrons. Visually represent Lewis formulas for species with five and six electron domains around the central atom. Deduce the electron domain geometry and the molecular geometry for these species using the VSEPR model.

Structure 2.2.13—Some atoms can form molecules in which they have an expanded octet of electrons. Visually represent Lewis formulas for species with five and six electron domains around the central atom. Deduce the electron domain geometry and the molecular geometry for these species using the VSEPR model.

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Directly related questions

22N.1A.HL.TZ0.10: Which elements are capable of forming expanded octets? I. NitrogenII. PhosphorusIII....
22N.1A.HL.TZ0.10: Which elements are capable of forming expanded octets? I. NitrogenII. PhosphorusIII....
22N.1A.SL.TZ0.10:
Which molecule is polar?

A. BeH₂

B. AlH₃

C. PH₃

D. SiH₄
22N.1A.SL.TZ0.10:
Which molecule is polar?

A. BeH₂

B. AlH₃

C. PH₃

D. SiH₄
22N.1A.HL.TZ0.11: Which molecule has a tetrahedral molecular geometry? A. HNO3 B. SF4 C. XeF4 D. XeO4
22N.1A.HL.TZ0.11: Which molecule has a tetrahedral molecular geometry? A. HNO3 B. SF4 C. XeF4 D. XeO4
19M.1A.HL.TZ2.11: Which species has a square planar molecular geometry? A. SF4 B. XeF4 C. CF4 D. PF4+
19M.1A.HL.TZ2.11: Which species has a square planar molecular geometry? A. SF4 B. XeF4 C. CF4 D. PF4+
19M.1A.HL.TZ2.11: Which species has a square planar molecular geometry? A. SF4 B. XeF4 C. CF4 D. PF4+
19M.1A.HL.TZ2.11: Which species has a square planar molecular geometry? A. SF4 B. XeF4 C. CF4 D. PF4+
20N.1A.HL.TZ0.11:
Which combination correctly describes the geometry of ${BrF}_{4}^{-}$ ?
20N.1A.HL.TZ0.11:
Which combination correctly describes the geometry of ${BrF}_{4}^{-}$ ?
20N.1A.HL.TZ0.11:
Which combination correctly describes the geometry of ${BrF}_{4}^{-}$ ?
20N.1A.HL.TZ0.11:
Which combination correctly describes the geometry of ${BrF}_{4}^{-}$ ?
21M.1A.HL.TZ2.12: Which atom has an expanded octet? A. C in CO2 B. S in SCl4 C. O in H2O2 D. P in PCl3
21M.1A.HL.TZ2.12: Which atom has an expanded octet? A. C in CO2 B. S in SCl4 C. O in H2O2 D. P in PCl3
21M.1A.HL.TZ2.12: Which atom has an expanded octet? A. C in CO2 B. S in SCl4 C. O in H2O2 D. P in PCl3
21M.1A.HL.TZ2.12: Which atom has an expanded octet? A. C in CO2 B. S in SCl4 C. O in H2O2 D. P in PCl3
22M.1A.HL.TZ1.13: What are the electron domain and molecular geometries of the XeF4 molecule?
22M.1A.HL.TZ1.13: What are the electron domain and molecular geometries of the XeF4 molecule?
22M.1A.HL.TZ1.13: What are the electron domain and molecular geometries of the XeF4 molecule?
22M.1A.HL.TZ1.13: What are the electron domain and molecular geometries of the XeF4 molecule?
22M.1A.HL.TZ2.12: What is the molecular geometry of SF4? A. Tetrahedral B. Trigonal bipyramidal C. ...
22M.1A.HL.TZ2.12: What is the molecular geometry of SF4? A. Tetrahedral B. Trigonal bipyramidal C. ...
22M.1A.HL.TZ2.12: What is the molecular geometry of SF4? A. Tetrahedral B. Trigonal bipyramidal C. ...
22M.1A.HL.TZ2.12: What is the molecular geometry of SF4? A. Tetrahedral B. Trigonal bipyramidal C. ...
22N.1A.HL.TZ0.10: Which elements are capable of forming expanded octets? I. NitrogenII. PhosphorusIII....
22N.1A.HL.TZ0.10: Which elements are capable of forming expanded octets? I. NitrogenII. PhosphorusIII....
22N.1A.HL.TZ0.11: Which molecule has a tetrahedral molecular geometry? A. HNO3 B. SF4 C. XeF4 D. XeO4
22N.1A.HL.TZ0.11: Which molecule has a tetrahedral molecular geometry? A. HNO3 B. SF4 C. XeF4 D. XeO4

Sub sections and their related questions

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