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A: The answer to the following question is-
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A: In Solid, molecules are closely packed as intermolecular space among solid molecules is very less.
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A: since 2 atoms of same element will have similar properties such as electronegativity.…
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A: The formula of chlorite is ClO2- Hence the central atom in the ion is less electronegative Cl.
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A:
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A: This question is related to intermolecular forces.
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A: covalent bond It is formed by the mutual sharing of electron between two atoms and their electrons…
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A: The given hypothetical molecule is PHFBr. Phosphorus is the central atom in the given molecule.…
Q: 1) Which substance is expected to have the greatest lattice energy
A: To have the greatest lattice energy, we need the charge to be high and size to be small.
Q: why is the ability of water to undergo phase charges is significant?
A: Water is a key component that has notable functions in various fields of daily life. In a water…
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A:
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Q: Describe the properties and behaviour of electrons forming a hydrogen bond
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A: All molecules have weak dispersion intermolecular forces.
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A: London dispersion forces are weak intermolecular forces and are considered van der Waals forces.…
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A: VSEPR - This theory is used to predict the arrangement of electron pairs around the central atoms in…
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A: In hydrated salt, water molecules are suspended in the crystal lattice structure; upon heating the…
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- 9. Accounting for expanded valence for 3rd period elements, what is the formal charge at the central silicon atom of SIF5- in its most important resonance structure? А. -2 В. —1 С. О D. +1 - Е. +2 10. Which of the following atoms / ions does NOT have eight (8) valence electrons? А. Ne В. О2 С. S D. Mg2* E. All of these atoms / ions have eight valence electronsе. Se-H 13. Which of the following molecules or ions contain polar bonds? a. b. S C. 0, d. NO, e. CO f. H,S g. BH,What are valid uses of dummy atoms? A. They are needed to define dihedral angles when three or more bonded atoms are in a straight line B. They are needed to define bond angles in linear distributions of atoms in a molecule C. They can help build highly symmetrical structures D. They are used when a molecule has very heavy atoms O a. A, D b. C, D О с. A, C O d. B, D
- 9. Determining Molecular Polarity NH, H,O CH, CH,F HCI Br BeF, BH, BHF, BEHF Struc. Form.. Н-C Molecule Linear Shape Bond 8+. 8- Polarity H-CI 2.1 3.0 Polar Molec. 8- H-Cl Polarity. Polar Polar Bond-a bond between 2 elements with UNEQUAL electron distribution. Polar Molecnle-a molecule that has UNEQUAL electron distribution over the whole molecnle9. Accounting for expanded valence for 3rd period elements, what is the formal charge at the central silicon atom of SIF5 in its most important resonance structure? А. —2 В. —1 С. О D. +1 Е. +2 10. Which of the following atoms / ions does NOT have eight (8) valence electrons? A. Ne В. О2 С. S D. Mg2+ E. All of these atoms / ions have eight valence electrons 11. Which of the following molecules does NOT have a tetrahedral geometry at its central atom? A. Carbon tetrachloride (CCI4) B. Phosphonium cation (PH4*) C. Tetrafluoroborate anion (BF4') D. Xenon tetrafluoride (XeF4) E. All of these molecules have a tetrahedral geometry at their central atoms 12. Which of the following statements best describes ALL chemical bonds? A chemical bond is... A. ..the line drawn between two atoms in a molecule. B. ...an attractive force between atoms that places them adjacent to each other in space. C. ..the result of gravity between two atoms. D. ...the force between two ions of opposite charge. E. None…9:52 Lewis Structures R... # e' pair directions on the central atom Formula Lewis Structure 16. NF3 17. SCI2 18. IF, 19. NO, 20. NO,* 21. BrFs 22. Cl½CO
- The chemical formula of biotin is C10H16N2O3S. a. How many sigma and pi bonds are in biotin? b. What is the atomic mass of biotin?1. Draw the Lewis Structure and list the electron geometry for each of the following molecules. A. H;0 В. NH C. CH4 D. SO: electron geometry: electron geometry: electron geometry: electron geometry: E. CO: F. SF4 electron geometry: electron geometry:Chemistry 162 К. Маrr Lab 3 Report Sheet Lewis Structures & Model Building Name Team No. Date Section Experimental Results Part 1 - Simple Organic Compounds Table 1. Lewis structures & functional group ID of simple organic compounds Lewis Structure Formula (Identify the functional groups) H Ехample: HAldehyde Carboxylic- Acid IC C;H,O3 H- 1. CH;CI 2. CH2O 3. СН.О2 4. СН2 5. C3H60 Page 5 of 7
- 4. Explain why the following molecules can NOT existis X5. Which of the following covalent bonds is the LEAST polar? а. С - CI d. N-F е. О -Н f. 0-S b. С-Н С. Н-СI 6. Which of the following is the electron configuration of oxide, O?. a. 1s°2s°2p* b. 1s°2s°2p° c. 1s°2s°2p® d. 1s°2s°2p®3s?3p* e. 1s°2s°2p°3s°3p° f. 1s°2s°2p®3s°3p®5.a. Explain how the lattice energy of an ionic compound such as KCI can be determined using the Born-Haber cycle. On what law is this procedure based? How do the ionization energy and the electron affinity determine whether atoms of elements will combine to form ionic compounds? b. Explain in molecular orbital terms the changes in H-H inter-nuclear distance that occurs as the molecular H2 is ionized first to H2* and then to H2²*. Explain why the bond order of N2 is greater than that of N2*, but the bond order of 02 is less than that of O2*.