Chapter 4 Chemical Bonds
Quiz by Jason Cobb
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14 questions
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- Q1When an atom loses an electron, it becomes apositive ionnegative ionpositive bondmolecule30s
- Q2The chemical name for the compound with the formula Na2S isSodium FluorideSodium SulfurSodium OxideSodium Sulfide30s
- Q3In the chemical formula for an ionic compound, which item is written first?negative metal ionthe compoundpositive nonmetal ionpositive metal ion30s
- Q4What is a double bond?2 electrons lost from a metal atomone pair of electrons shared between 4 atomsone pair of electron shared between 2 atomseach atom shares 2 electrons30s
- Q5Electrons involved in bonding arepositively chargedclosest to the nucleusvalence electronsinside the nucleus30s
- Q6Magnesium bromide is an ionic compound with the chemical formula MgBr2. What does the “2” tell you?There are 2 MagnesiumsIt has a +2 chargeThere are 2 BrominesThere are 2 molecules30s
- Q7A mixture made of two or more elements, at least one of which is a metal is called a(n)metalloidalloysuperconductorcomplex metal30s
- Q8Which of the following terms means that metals can be rolled into thin sheets, as in aluminum foil, or beaten into complex shapes?polarductilemalleablealloy30s
- Q9An ionic bond is the attraction betweenneutral atomssimilarly charged ionsoppositely charged ionsneutral ions30s
- Q10Which of the following is a property of ionic compounds?high melting pointsthey contain no charged particles.low melting pointslow boiling points30s
- Q11Bonds between two nonmetals would probably be ametallic bondcan't bondionic bondcovalent bond30s
- Q12A chemical bond formed when two atoms share electrons is called a(n)ionic bondshare bondcovalent bondmetallic bond30s
- Q13How many atoms of Group 17 are needed to react with an atom of Group 2?342130s
- Q14If valence electrons are shared equally between two atoms this would be apolar moleculeionic compoundnonpolar molecule30s