Ch. 1 Ch. 1

Chemical BondsChemical Bonds

What occurs between atoms What occurs between atoms that do not easily lose that do not easily lose

electrons?electrons?

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1.1. metallic metallic bonding bonding

2.2. chemical chemical bondingbonding

3.3. covalent covalent bonding bonding

4.4. ionic bondingionic bonding

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Most molecules are Most molecules are composed of what?composed of what?

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1.1. one or more one or more elements elements

2.2. two or more two or more elementselements

3.3. three or more three or more elements elements

4.4. four or more four or more elementselements

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Why can metals bend Why can metals bend without breaking?without breaking?

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1.1. Metals contain Metals contain positively charged positively charged ions.ions.

2.2. Metals contain Metals contain constantly moving constantly moving electrons.electrons.

3.3. Metals contain Metals contain ionic bonds.ionic bonds.

4.4. Metals contain Metals contain moving ions.moving ions.

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How are electrons in an How are electrons in an atom organized?atom organized?

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1.1. energy levels energy levels

2.2. valence levelsvalence levels

3.3. groups groups

4.4. periodsperiods

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What are the only parts of What are the only parts of an atom that make an atom that make chemical bonds?chemical bonds?

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1.1. protons in the protons in the nucleus nucleus

2.2. neutrons in the neutrons in the nucleusnucleus

3.3. electrons in the electrons in the nucleus nucleus

4.4. valence valence electronselectrons

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What is the same within What is the same within each group on the periodic each group on the periodic

table?table?

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1.1. number of number of protons protons

2.2. number of number of electronselectrons

3.3. number of number of atoms atoms

4.4. number of number of valence valence electronselectrons

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Why don’t noble gases Why don’t noble gases normally form chemical normally form chemical

bonds?bonds?

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1.1. They have 2 They have 2 valence electrons. valence electrons.

2.2. They have a full They have a full outermost energy outermost energy level.level.

3.3. They have an They have an empty outer level. empty outer level.

4.4. They have 8 They have 8 protons.protons.

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What is the charge of a What is the charge of a sodium ion with 11 protons sodium ion with 11 protons

and 10 electrons?and 10 electrons?

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1.1. 1+ 1+

2.2. 2+2+

3.3. 1– 1–

4.4. 2–2–

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What ending is used for the What ending is used for the names of negative ions names of negative ions

formed when atoms gain formed when atoms gain electrons?electrons?

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1.1. -ion -ion

2.2. -ade-ade

3.3. -ide -ide

4.4. -ate-ate

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What can group numbers on What can group numbers on the periodic table help you the periodic table help you

determine?determine?

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1.1. the number of the number of valence valence electrons electrons

2.2. the number of the number of electronselectrons

3.3. the number of the number of protonsprotons

4.4. the number of the number of neutronsneutrons

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What is the smallest particle What is the smallest particle into which a covalently bonded into which a covalently bonded compound can be divided and compound can be divided and still be the same compound?still be the same compound?

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1.1. molecule molecule

2.2. atomatom

3.3. electron electron

4.4. protonproton

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What allows metals to What allows metals to bond?bond?

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1.1. overlapping outer overlapping outer energy levels energy levels

2.2. a low number of a low number of valence electronsvalence electrons

3.3. a large number of a large number of valence electrons valence electrons

4.4. ionsions

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Which of the following Which of the following properties of a metal means properties of a metal means

that it can be drawn into that it can be drawn into wires?wires?

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1.1. electrical electrical conductivityconductivity

2.2. malleabilitymalleability

3.3. ductility ductility

4.4. flexibilityflexibility

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Which of the following Which of the following represents the number of represents the number of

protons in an atom?protons in an atom?

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1.1. proton number proton number

2.2. atomic numberatomic number

3.3. covalent covalent number number

4.4. nuclear numbernuclear number

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What do atoms gain, lose, What do atoms gain, lose, or share when they bond?or share when they bond?

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1.1. protons protons

2.2. neutronsneutrons

3.3. electrons electrons

4.4. atomsatoms

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How many electrons fill the How many electrons fill the outermost energy level of outermost energy level of

an atom?an atom?

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1.1. 4 4

2.2. 66

3.3. 8 8

4.4. 1010

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What do metal atoms form What do metal atoms form when they lose valence when they lose valence

electrons?electrons?

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1.1. negative ions negative ions

2.2. positive ionspositive ions

3.3. covalent bonds covalent bonds

4.4. atomic bondsatomic bonds

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What is the joining of atoms What is the joining of atoms to form new substances?to form new substances?

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1.1. chemical chemical bonding bonding

2.2. bondingbonding

3.3. joining joining chemicals chemicals

4.4. bonding atomsbonding atoms

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What do you call an What do you call an interaction that holds two interaction that holds two

atoms together?atoms together?

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1.1. chemical hold chemical hold

2.2. chemical bondchemical bond

3.3. chemical chemical interaction interaction

4.4. bond of bond of chemicalschemicals

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What do you call a bond that What do you call a bond that forms when electrons are forms when electrons are

transferred from one atom to transferred from one atom to another?another?

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1.1. compound bond compound bond

2.2. ionic bondionic bond

3.3. crystal bond crystal bond

4.4. atom bondatom bond

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What are charged particles What are charged particles that form when atoms gain that form when atoms gain

or lose electrons?or lose electrons?

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1.1. particle atoms particle atoms

2.2. atomic ionsatomic ions

3.3. bonds bonds

4.4. ionsions

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When atoms gain electrons When atoms gain electrons during chemical changes, during chemical changes,

what charge do they have?what charge do they have?

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1.1. positive chargepositive charge

2.2. neutral chargeneutral charge

3.3. negative charge negative charge

4.4. chemical chemical chargecharge

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What is the most important What is the most important factor in determining how factor in determining how

an atom will bond?an atom will bond?

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1.1. the number of the number of protonsprotons

2.2. the number of the number of neutronsneutrons

3.3. the number of the number of electrons in the electrons in the innermost energy innermost energy levellevel

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How many valence How many valence electrons does helium need electrons does helium need to have a filled outermost to have a filled outermost

energy level?energy level?

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1.1. 1 1

2.2. 22

3.3. 4 4

4.4. 88

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Because ions in metals can be Because ions in metals can be easily arranged without breaking easily arranged without breaking

the metallic bonds, metals tend to the metallic bonds, metals tend to be easilybe easily

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1.1. shattered. shattered.

2.2. crystallized.crystallized.

3.3. reshaped. reshaped.

4.4. broken.broken.

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Which of the following is Which of the following is NOT a property of metals NOT a property of metals associated with metallic associated with metallic

bonds?bonds?

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1.1. malleability malleability

2.2. ductilityductility

3.3. conductivity conductivity

4.4. brittlenessbrittleness

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