Genius Jnr - From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Determine the height of the tower.

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From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Determine the height of the tower.

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Contains Bonds Formed Overlapping Sp Sp Hybrid Orbitals Molecule H F Use Following Information Answer Next Question Polar Molecules Possess Partially Ionic Covalent Bond Use Following Information Answer Next Question Molecule Said Polarity Dipole Moment Positive Negativ Polar Covalent Bond Formed Following Molecules Resultant Dipole Moment Hybridisation Exhibited Carbon Atoms Tetracyanoethylene One Atom Ofcarbon Combines Many Atoms Oxygen Complete Octet Following Compounds Stable Even Though Follow Octet Rule Following Compounds Follow Octet Rule Many Electrons Required Nitrogen Atom Complete Octet Lewis Structure Methanol Correctly Shown Alternative Correct Lewis Structure Acetylene Use Following Information Answer Next Question Structures Cocl2 So3 Depicted Given Figure Exhibit Tr According Vsepr Theory Molecular Geometry C2h4 Following Compounds Exhibit Octahedral Geometry According Vsepr Theory According Vsepr Theory Molecular Geometry Xef2 Following Options Correctly Arranges O2 Rbo2 O2gef5 Increasing Order Bond Strength Bond Choose Incorrect Order Given Properties Choose Incorrect Order Given Ions Compounds According Properties Mention Along Many Following Square Planer Geometry Total Number Valence Electrons Inion Use Following Information Answer Question Bond Enthalpies H2 N2 O2 Molecules Given Correct Order Inc Use Following Information Answer Next Question Given Table Lists Molecules Along Bond Lengths Pico M Following Pairs Species Identical Bond Orders Following Species Carbon Sp2 Hybridised Use Following Information Answer Next Question Electronegativities Pauling Scale Four Elements P Q R Following Statements Accordance Octet Rule Lewis Theory Following Compounds Exception Octet Rule Formal Charge Carbon Atom Co3 2 Ion Following Elements Follow Octet Rule Following Compounds Contain Eight Electrons Outermost Shell Formal Charge Sulphur Atom So42 Ion Write Lewis Dot Structure Phosphorus Chlorine Write Lewis Representation Ethene Sulphuric Acid Difference Covalent Radius Vander Waals Radius Write Resonating Structures Ozone Molecule Write Hybridisation So2 Also Draw Structure Give Two Limitations Lewis Theory Describe Two Salient Features Hybridisation Draw Hybridised Structure Ethyne Molecule Co2 So2 Molecules Triatomic Molecules Co2 Molecule Zero Dipole Moment So2 Molecule Ammonia Pyramidal Shape Instead Tetrahedral Shape Write Four Differences Sigma Pi Bonds Conditions Required Hybridisation Arrange Following Molecular Ions Decreasing Order Bond Order N2 O2 O22 Types Hydrogen Bond Explain Write Molecular Orbital Configuration O2 Draw Molecular Orbital Structure Define Following Terms Hybridisation Ii Dipole Moment Iii Hydrogen Bonding Write Hybridisation Shape Following Molecules Sf4 Icl3 H2se Explain Hybridisation Ethene Molecule Ii Ion X Reaction Dil H2so4 Evolves Gas Turns Lime Water Milk Neon Ne2 Molecule Exist Explain Help Molecular Orbital Theory Ii Complete Following Table Molecule Electron Affinity Chlorine 3 7 Ev 1 Gram Chlorine Completely Converted Cl Ion Gaseous State Energy R Among Following Chloro Compound Lowest Dipole Moment Although Cn Ion N2 Molecule Isoelectronic Yet N2 Molecule Chemically Inert Assertion Licl Predominantly Covalent Compound Reason Electronegativity Difference Li Cl Small Follo Following Molecules Trigonal Planner Geometry Following Pairs Molecules Polar Covalency Carbon Hydrogen Nitrogen Oxygen Following Molecules Contains Three Shared Pairs Electrons Molecule Ammonia Formed One Atom Nitrogen Shares Electron Pairs One Ii Atoms Hydrogen Ii Respectivel Following Compounds Good Conductor Electricity Fused State Well Aqueous State Solid State Following Properties Covalent Compounds Incorrect Define Terms Ionic Bond Ii Covalent Bond Following Molecule Involves Electrovalent Bond H2 B Ch4 C Cao Hcl State Octet Rule Write Electron Dot Formulae Boron Trifluoride Ammonia Explain Formation Covalent Bond Help Suitable Example Many Electrons Involved H Bond H2o Molecule Octet Rule Violated Case Methane B Boron Trifluoride C Sulphur Hexafluoride Aluminium Chloride Forming Compound Ab Electron Shared B State Rate Reaction Aqueous Solutions Explain Formation Chemical Bond Define Octet Rule Write Significance One Limitation Drawing Electron Dot Diagram Show Formation Hydrogen Molecule Ii Chlorine Molecule Iii Nitrogen Mole Drawing Electron Dot Diagram Show Formation Water Molecule Ii Ammonia Molecule Iii Methane Molecule Explain Help Suitable Example Polar Covalent Bond Understand Bond Pairs Lone Pairs Electrons Illustrate Giving One Example Type Following Statements Incorrect Boiling Point Melting Point Covalent Compounds High Ii Constituent Pa Atomic Number Silicon 14 Electron Distribution 2 4 8 2 8 4 8 4 2 Actual Transfer Electrons Takes Place Formation Bond Ionic Bond Covalent Bond Polar Bonds Write Points Differences Ionic Covalent Compounds According Molecular Orbital Diagram Oxygen Gas Total Number Paired Electron Pairs Oxygen Molecule Number Unhybridized P Orbitals Valence Shell Carbon Graphite Assertion Sigma Bond Strong Pi Bond Weak Reason Atoms Rotate Freely Sigma Bond Assertion Asf5 Known Nf5 Known Reason Arsenic Lower Electronegativity Nitrogen Assertion F F Bond F2 Stronger Cl Cl Bond Cl2 Reason Cl Larger Size Atoms Molecule Share Electrons Unequally Create Called Dipole Moment Occurs One Atom Electronegative Ionic Bonding Occurs Valence Electrons Shared Unequally Spend Time Vicinity New Neighbor Original Nu Read Passage Given Answer Following Questions Intermolecular Force Attractive Force Arises Positive Correct Reason Formation Chemical Bonds Atoms Bond Angle H H Water Molecule Among Given Isoelectronic Species Greatest Ionic Radii Geometry Ch4 Molecule Following Statements Correct Pcl5 Molecule Following Molecules Contain Lone Pair Electrons Central Atom Following Bonds Highest Bond Enthalpy Numbers Radial Nodes Present 3p 2s Correct Set Quantum Numbers Valence Electron Element Atomic Number 39 Contractor Plans 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Iron Prevented Placing Iron Following Methods Used Preventing Corrosion Following Methods Used Prevention Corrosion Use Following Information Answer Next Question Iron Exposed Long Time Gets Rusted Process Preventing Use Following Information Answer Next Question Certain Metal Sometimes Coated Thick Layer Oxide Done Use Following Information Answer Next Question Process Mixing Metal Another Metal Non Metal Usually