2b im confused ? QI a) What type of structure does sodium chloride have?Q4 Why do many ionic compounds dissolve in water?3) lonic compounds tend to dissolve in water.Jacs of energy to break up the tattice Donds, so it takesThe so diem chloricle lattice is cube shapedfonic compounds have high melting and boiling points.the charged ions. They pull the ions away from the lattice and cause it to dissolve.other bits have small positive charges (see p.48). The water molecules are attracted toIn a solid they 're fixed in position by the strong ionic bonds.energy to overcome these forces, so their melting and boiling points are very high,The ions in a liquid are mobile (and they carry a charge).lonic Structure Explains the Behaviour of lonic CompoundsThe stren ture's caled giant tecausets made up of thve same basic unt peated.oer and oer agant forms because each ion is electrostatically atracted in all directions to ions of the opposite chargen Chiaride has Giant lonic Lattice Structoredirn chloridle the Na and C ions are packed to te aternately ws a telar saucture callet a atticewhenlon.c be02 Calcium oxide is an ionic compound with ionic formula CaO.Q3 Draw a dot-and-cross diagram showing the bonding between magnesium and oxygen.b) Would you expect sodium chloride to have a high or a low melting point?The giant ionic lattices are held together by strong electrostatic forces. It takes loads oflonic compounds conduct electricity when they're molten or dissolvedlonic B ondingBr ion.Tepeaut thes te all stifl siant latticesdm chsloride's got very strona jonisiterent onic co nds s diteent shaed aruchs ives it a high melting point (801fromions alternateThe lines show thee vonionds between the ions.the structure decides other physical properties too.ut not just melting pointsO,9.but not when they're solid.2)- part of the molecule has a small negative charge, and theWater molecules are polarPractice QuestionsQ1 How do ions form?02 What is an ionic bond?Exam QuestionsExplain your answer.ay a dot-and-cross diagram to show the bonding in calcium oxide. Show the outer electrons onlySolid calcium oxide does not conduct electricity, but molten calcium oxide doesExplain this with reference to ionic bonding.me's Bond... lonic Bond... Electrons taken, not shared...well learning the properties of ionic compounds, but make sure you can also explain whyher-atoms are lazy. It's easier to lose two electrons to get a full shell than it is to gaindo And practise drawing dot-and-cross diagrams to show ionic bonding- they're easMODULE 2: SECTION 2-ELECTRONS, BONDhe tormulan the two Br ionsBond Comeectron is represenorto2.8.8onide

Interpretation : We CaO(s) dont conduct electricity while moltan CaO does.

Calcium oNide is an ionic compound with ionic formula CaO. a) Draw a dot-and-cross diagram to show the bonding in calcium oxide. Show the outer elect Daw a dot-and-cross diagram to show the bonding in calcium oxide. Show the outer electr Solid calcium oxide does not conduct electricity, but molten calcium oxide does Explain this with reference to ionic bonding

Calcium oNide is an ionic compound with ionic formula CaO. a) Draw a dot-and-cross diagram to show the bonding in calcium oxide. Show the outer elect Daw a dot-and-cross diagram to show the bonding in calcium oxide. Show the outer electr Solid calcium oxide does not conduct electricity, but molten calcium oxide does Explain this with reference to ionic bonding

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 17CR: Are changes in state physical or chemical changes? Explain. What type of forces must be overcome to...

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8.52 Rank the following hydrocarbons in order of increasing vapor pressure: C2H6,C10H22,CH4,C7H16,C22H46 .