Which of the following is a common characteristic of a covalent compound?High melting pointConducts electricity when it is in the molten stateConsists of moleculesAlways soluble in water

Which is a not a  property of covalent compounds in their solid state?   Group of answer choicesweak attractive forces between ionshigh melting pointpoor conductors of electricitylow boiling point

Which of the following is a characteristic of a moleclar compound?Group of answer choiceshigh melting pointconduct electricitymalleablelow melting point

Covalent compounds display which of these properties?Group of answer choicesThey display luster.They are hard, brittle solidsThey have high melting and boiling pointsTheir intermolecular forces are relatively weak.

Which of the following are properties of ionic compounds?Low melting and boiling points, do not dissolve in waterHigh melting and boiling points, dissolve in waterLow melting and boiling points, dissolve in waterHigh melting and boiling points, do not dissolve in water2Ionic compounds can:Conduct electricity when solid but not liquidThey cannot conduct electricity when liquid or solidConduct electricity when both solid and liquidConduct electricity when liquid but not solid3The atoms in simple molecular structures are held together by which type of bonds?CovalentIonicIonic and covalentMetallic4Simple molecular structures have:Weak molecular bonds and strong intermolecular bondsStrong molecular bonds and weak intermolecular bondsStrong molecular bonds and strong intermolecular bondsWeak molecular bonds and weak intermolecular bonds5Giant structures can be formed from millions of atoms held together by:Metallic bondsCovalent bondsIonic bondsIonic, covalent or metallic bonds6Graphite is the only giant covalent structure that:Dissolves in waterHas a high melting pointIs a form of carbonConducts electricity

Which of the following is not a general property of ionic compounds?Only one correct answerA.High melting and boiling pointB.Soluble in waterC.Good conductor of electricity in aqueous solution and in solid stateD.Hard and brittle