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(a)
Interpretation:
Using table 4.4 the shape of the molecule CCl4 has to be sketched.
Concept Introduction:
Lewis structures are diagrams that represent the
The chemical bonding present in covalently bonded molecules and in coordination compounds are represented using Lewis structures.
It is also known as Lewis dot structures which represents the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
The Lewis structure is based on the concept of the octet rule so that the electrons shared in each atom should have 8 electrons in its outer shell.
Sometimes the chemical bonding of a molecule cannot be represented using a single Lewis structure. In these cases, the chemical bonding are described by delocalization of electrons and is known as resonance.
All the possible resonance structures are imaginary whereas the resonance hybrid is real.
These structures will differ only in the arrangement of the electrons not in the relative position of the atomic nuclei.
Molecular geometry is the shape of a molecule predicted by considering only bond pair of electrons.
The shape of a molecule is described by its arrangement of atoms.
Geometry of different type of molecules with respect to the number of electron pairs are mentioned below,
Type of Molecule No. of atomsbonded to central atomsNo. of lone pairs on central atomArrangement of electron pairsMolecularGeometryAB220LinearLinearAB330Trigonal planarTrigonal planarAB440TetrahedralTetrahedralAB550Trigonal bipyramidalTrigonal bipyramidalAB660OctahedralOctahedral
(b)
Interpretation:
Using table 4.4 the shape of the molecule CCl2F2 has to be sketched.
Concept Introduction:
Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.
The chemical bonding present in covalently bonded molecules and in coordination compounds are represented using Lewis structures.
It is also known as Lewis dot structures which represents the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
The Lewis structure is based on the concept of the octet rule so that the electrons shared in each atom should have 8 electrons in its outer shell.
Sometimes the chemical bonding of a molecule cannot be represented using a single Lewis structure. In these cases, the chemical bonding are described by delocalization of electrons and is known as resonance.
All the possible resonance structures are imaginary whereas the resonance hybrid is real.
These structures will differ only in the arrangement of the electrons not in the relative position of the atomic nuclei.
Molecular geometry is the shape of a molecule predicted by considering only bond pair of electrons.
The shape of a molecule is described by its arrangement of atoms.
Geometry of different type of molecules with respect to the number of electron pairs are mentioned below,
Type of Molecule No. of atomsbonded to central atomsNo. of lone pairs on central atomArrangement of electron pairsMolecularGeometryAB220LinearLinearAB330Trigonal planarTrigonal planarAB440TetrahedralTetrahedralAB550Trigonal bipyramidalTrigonal bipyramidalAB660OctahedralOctahedral
(c)
Interpretation:
Using table 4.4 the shape of the molecule H2S has to be sketched.
Concept Introduction:
Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.
The chemical bonding present in covalently bonded molecules and in coordination compounds are represented using Lewis structures.
It is also known as Lewis dot structures which represents the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
The Lewis structure is based on the concept of the octet rule so that the electrons shared in each atom should have 8 electrons in its outer shell.
Sometimes the chemical bonding of a molecule cannot be represented using a single Lewis structure. In these cases, the chemical bonding are described by delocalization of electrons and is known as resonance.
All the possible resonance structures are imaginary whereas the resonance hybrid is real.
These structures will differ only in the arrangement of the electrons not in the relative position of the atomic nuclei.
Molecular geometry is the shape of a molecule predicted by considering only bond pair of electrons.
The shape of a molecule is described by its arrangement of atoms.
Geometry of different type of molecules with respect to the number of electron pairs are mentioned below,
Type of Molecule No. of atomsbonded to central atomsNo. of lone pairs on central atomArrangement of electron pairsMolecularGeometryAB220LinearLinearAB330Trigonal planarTrigonal planarAB440TetrahedralTetrahedralAB550Trigonal bipyramidalTrigonal bipyramidalAB660OctahedralOctahedral
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Chapter 4 Solutions
Chemistry In Context
- There is an instrument in Johnson 334 that measures total-reflectance x-ray fluorescence (TXRF) to do elemental analysis (i.e., determine what elements are present in a sample). A researcher is preparing a to measure calcium content in a series of well water samples by TXRF with an internal standard of vanadium (atomic symbol: V). She has prepared a series of standard solutions to ensure a linear instrument response over the expected Ca concentration range of 40-80 ppm. The concentrations of Ca and V (ppm) and the instrument response (peak area, arbitrary units) are shown below. Also included is a sample spectrum. Equation 1 describes the response factor, K, relating the analyte signal (SA) and the standard signal (SIS) to their respective concentrations (CA and CIS). Ca, ppm V, ppm SCa, arb. units SV, arb. units 20.0 10.0 14375.11 14261.02 40.0 10.0 36182.15 17997.10 60.0 10.0 39275.74 12988.01 80.0 10.0 57530.75 14268.54 100.0…arrow_forwardA mixture of 0.568 M H₂O, 0.438 M Cl₂O, and 0.710 M HClO are enclosed in a vessel at 25 °C. H₂O(g) + C₁₂O(g) = 2 HOCl(g) K = 0.0900 at 25°C с Calculate the equilibrium concentrations of each gas at 25 °C. [H₂O]= [C₁₂O]= [HOCI]= M Σ Marrow_forwardWhat units (if any) does the response factor (K) have? Does the response factor (K) depend upon how the concentration is expressed (e.g. molarity, ppm, ppb, etc.)?arrow_forward
- Provide the structure, circle or draw, of the monomeric unit found in the biological polymeric materials given below. HO OH amylose OH OH 행 3 HO cellulose OH OH OH Ho HOarrow_forwardWhat units (if any) does K have? Does K depend upon how the concentration is expressed (e.g. molarity, ppm, ppb, etc.)? in calculating the response factorarrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forward
- Don't used Ai solution and don't used hand raitingarrow_forwardOA. For the structure shown, rank the bond lengths (labeled a, b and c) from shortest to longest. Place your answer in the box. Only the answer in the box will be graded. (2 points) H -CH3 THe b Нarrow_forwardDon't used hand raitingarrow_forward
- Quizzes - Gen Organic & Biological Che... ☆ myd21.lcc.edu + O G screenshot on mac - Google Search savings hulu youtube google disney+ HBO zlib Homework Hel...s | bartleby cell bio book Yuzu Reader: Chemistry G periodic table - Google Search b Home | bartleby 0:33:26 remaining CHEM 120 Chapter 5_Quiz 3 Page 1: 1 > 2 > 3 > 6 ¦ 5 > 4 > 7 ¦ 1 1 10 8 ¦ 9 a ¦ -- Quiz Information silicon-27 A doctor gives a patient 0.01 mC i of beta radiation. How many beta particles would the patient receive in I minute? (1 Ci = 3.7 x 10 10 d/s) Question 5 (1 point) Saved Listen 2.22 x 107 222 x 108 3.7 x 108 2.22 x 108 none of the above Question 6 (1 point) Listen The recommended dosage of 1-131 for a test is 4.2 μCi per kg of body mass. How many millicuries should be given to a 55 kg patient? (1 mCi = 1000 μСi)? 230 mCiarrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forward
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