Unit 3: Ionic and Metallic Substances Review

Honors Chemistry

1. Which of the following is ionic?

A. NF3

B. HClC. CuCl2

D. CO2

2. Which of the following is covalent?

A. MgOB. H3N

C. FeOD. ZnCl

3. To form an ion Nitrogen will

A. Lose 3 electrons to become N3-

B. Lose 3 electrons to become N3+

C. Gain 3 electrons to become N3-

D. Gain 3 electrons to become N3+

4. To form an ion K will

A. Lose 1 electron to become K-

B. Lose 1 electron to become K+

C. Gain 1 electron to become K-

D. Gain 1 electron to become K+

5. What is the correct name for CaCl2?

A. calcium chlorideB. calcium dichlorideC. monocalcium dichlorideD. calcium (I) chlorideE. calcium (II) chloride

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6. What is the correct name for CuCl2?

A. copper chlorideB. copper dichlorideC. monocopper dichlorideD. copper (I) chlorideE. copper (II) chloride

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7. What is the correct name for NaOH?

A. sodium oxygen hydrideB. sodium hydroxideC. Sodium monooxygen monohydrideD. sodium (I) hydroxideE. sodium (II) hydroxide

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8. What is the correct name for NH4Cl?

A. nitrogen tetrahydrogen chlorideB. nitrogen (I) tetrahydrogen chlorideC. ammonium chlorideD. ammonium (I) chloride

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9. What is the correct name for FeC2H3O2?

A. iron carbon hydrogen oxideB. iron (I) carbon hydrogen oxideC. Iron (I) dicarbon tri hydrogen dioxideD. iron (I) acetate

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10. What is the correct formula for magnesium oxide?

A. Mg2O2

B. MgOC. MgO2

D. Mg2O

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11. What is the correct formula for mercury (II) sulfite?

A. HgSO3

B. HgSO4

C. Hg2(SO3)2

D. Hg(SO3)2

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12. What is the correct formula for iron (III) oxide?

A. FeOB. Fe2O3

C. Fe3O2

D. Fe(OH)3

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13. What is true about electrons in ionic bonds?

A. Electrons are shared equallyB. Electrons are shared unequallyC. Electrons are transferred from the metal to

the nonmetalD. Electrons are transferred from the nonmetal

to the metalE. Electrons move freely in in a “sea of electrons

14. What is true about electrons in nonpolar covalent bonds?

A. Electrons are shared equallyB. Electrons are shared unequallyC. Electrons are transferred from the metal to

the nonmetalD. Electrons are transferred from the nonmetal

to the metalE. Electrons move freely in in a “sea of electrons

15. What is true about electrons in polar covalent bonds?

A. Electrons are shared equallyB. Electrons are shared unequallyC. Electrons are transferred from the metal to

the nonmetalD. Electrons are transferred from the nonmetal

to the metalE. Electrons move freely in in a “sea of electrons

16. What is true about electrons in metallic bonds?

A. Electrons are shared equallyB. Electrons are shared unequallyC. Electrons are transferred from the metal to

the nonmetalD. Electrons are transferred from the nonmetal

to the metalE. Electrons move freely in in a “sea of electrons

17. Why is it incorrect to call NaCl a molecule?

A. Molecules contain more than two atomsB. Molecules occur between a metal/nonmetalC. Many ions of Na+ and Cl- exist in a crystal

latticeD. One ion of Na+ and Cl- have an ionic bondE. The sodium ion forms a metallic bond with

other sodium ions

17. What is the general trend of electronegativity on the periodic table?

A. Electronegativity decreases as you move to the left and up

B. Electronegativity decreases as you move to the right and down

C. Electronegativity decreases as you move to the left and down

D. Electronegativity decreases as you move to the right and up

17. Which is more electronegative, carbon, nitrogen, sulfur or phosphorus?

A. carbonB. nitrogenC. sulfurD. phosphorus

18. Fill out this table with formulas

K Ca Cr (III) Pb (IV)

Br

CO32-

N

PO43-

18. Fill out this table with formulas

K Ca Cr (III) Pb (IV)

Br KBr CaBr2 CrBr3 PbBr4

CO32- K2CO3 CaCO3 Cr2(CO3)3 Pb(CO3)2

N K3N Ca3N2 CrN Pb3N4

PO43- K3PO4 Ca3(PO4)2 CrPO4 Pb3(PO4)4

19. For K and S: a.) draw the electron dot structure b.) show the transfer of electrons to form ionsc.) draw the resulting ionsd.) write the formula of the compound they form

K . S ......

K .

..2K+ + S2-

K2S

......