The Periodic Table and Bonding Test Name: ______

November 16, 2010 Chemistry score: ___/100

Matching Vocabulary: (1 point each) ____ / 10

____ Covalent bond _____ Ionic Bond ____ Metallic bond

____ Lewis Dot Diagram ____s Bond ____p Bond _____ cation

____ anion ____crystal lattice ____ molecule

Multiple Choice (1 points each) _____ / 15

1) ___ 2) ___ 3) ___ 4) ___ 5) ___ 6) ___ 7) ___ 8) ___

9) ___ 10)___ 11) ___ 12) ___ 13) ___ 14) ___ 15) ___

Ionic Compounds

Polyatomic Ions – Did you memorize them? (1 point each) ____ / 14

1)  NH4+1 = ______

2)  CO3-2 = ______

3)  SO4-2 = ______

4)  SCN-1 = ______

5)  CrO4-2 = ______

6)  C2H3O2-1= ______

7)  ClO3-1 = ______

8)  Hydroxide = ______

9)  Iodate = ______

10) Oxalate = ______

11) Bromate = ______

12) Cyanide = ______

13) Phosphate = ______

14) Nitrate = ______

Periodic Table Work (answer 2 of the next 3 questions (#15, 16 and 17)) (5 pts each)

15) Label the periodic tables below with the proper information

  1. Electron blocks b. families or groups

a=

b=

e f g c=

a b c d=

d e=

f=

h g=

h=

16) Use your knowledge of the periodic trends to answer these four questions

  1. Which has a larger atomic radius: sodium or oxygen? WHY?

______

______

______

  1. Which has a higher first ionization energy lithium or cesium? WHY?

______

______

______

  1. Which has a larger ionic radius: P-3 anion or the Ca+2 cation? WHY?

______

______

______

17) Determine if the following compounds are metals, semi-metals or non-metals.

  1. A shiny conductive sample is easily drawn into a wire and it reacts quickly with a solution of hydrochloric acid

Metal Semi-Metal Non-Metal

  1. This is an inert sample of colorless gas. It does not conduct electricity.

Metal Semi-Metal Non-Metal

  1. This shiny and conductive sample is brittle and does not react with acids.

Metal Semi-Metal Non-Metal

  1. List three typically metallic properties:

18) Name these compounds. ( 2 points each) ____ / 20

a.  Li2O _____________

b.  Cr2(C2O4)5 ______

c.  MnCl4 _________________

d.  P2Br7 ______

e.  HBr ______

f.  SBr5 ______

g.  Mg(IO2)2 ____________

h.  NO3 ______

i.  Cu2SO4 ____________

j.  NaBr ____________

19) Give the formula for these ten compounds ( 2pts each) _____ / 20

  1. Aluminum Oxide _____
  1. Iron (VI) sulfate _____
  1. Barium Phosphide _____
  1. nitric acid ______
  1. Phosphorous hexachloride ______
  1. Lithium chlorate _____
  1. Diiodine heptafluoride _____
  1. Manganese (II) phosphate ____
  1. boron mononitride ______
  1. molybdenum (VII) sulfide _____

20) Complete these Lewis Dot Diagrams (1 pt each)

H.

.C. .O: :O. .C. .O: H. .O. .H

H.

21) Why is carbon dioxide a linear molecule and water a linear bent molecule when both have three atoms? Use VSEPR Theory to explain your reasoning. (3 pts)

______

______

______

______

______

22) (5 points) Compare and contrast ionic and molecular bonds. Be sure to discuss what the atoms achieve by bonding and what the electrons are doing in the bonds. The comparison must be more in depth than “they are both bonds.”

______

______

______

______

______

______

______

______

______

______

______

Matching Vocabulary Definitions

A – when an “s” orbital overlaps with another “s” or a “p” orbital

B – when a “p” orbital overlaps with another “p” orbital

C – the structure of any salt

D – when two atoms donate one electron each to be shared between the two nuclei

E – when metallic nuclei are surrounded by a sea of delocalized electrons

F – when oppositely charged particles attract

G – the particle that is formed when there are more electrons than protons

H – the particle that is formed when there are more protons than electrons

I – the simplified drawing of an atom with its valence electrons

J – the neutral structure that is formed between two non-metals or hydrogen

Multiple Choice: Select the best answer for each of the following questions.

1)  Which family of elements is non-reactive, or inert?

  1. alkali metals b. alkaline earth metals c. non-metals d. noble gases

2)  When an element in the halogen family forms an ion, what does it do?

  1. gives up one electron to form a +1 cation.
  2. takes one electron to form a -1 anion.
  3. gives up one electron to form a -1 anion.
  4. takes one electron to form a +1 cation.

3)  Covalent bonds form between a non-metal and…

  1. a semi-metal b. a non-metal c. alkali metal d. a noble gas

4)  What do the Roman Numerals in the name of a compound tell you?

  1. the number of atoms of the cation d. the number of atoms of the anion
  2. the total positive charge e. the charge on the non-metal anion
  3. the charge on the metal cation.

5)  Which of one the following compounds has covalent bonds?

  1. Al2O3 b. MgO c. MnO d. CO

6)  Metals are malleable and ductile because metals…

  1. Have mobile nuclei surrounded by de-localized electrons
  2. Have very low melting points
  3. Have very low intermolecular attractions
  4. Transfer electrons from one atom to another.

7)  The name of a polyatomic ion ClO2-1 is chlorite. What is the name of the polyatomic ion ClO-1?

  1. Chlorine monoxide d. chlorate
  2. Hydrochloric e. hypochlorite
  3. Perchlorate f. perchloric

8)  The name of a polyatomic ion BrO3-1 is bromate. What is the name of the polyatomic ion BrO4-1?

  1. Bromine monoxide d. bromite
  2. Hydrobromic e. hypobromite
  3. Perbromate f. hypobromous

9)  The name of a polyatomic ion SCN-1 is thiocyanate. What is the formula of the polyatomic ion cyanate?

  1. CNO-2 b. SNCO-1 c. CNO-1 d. SCNO-3

10) The letters VSEPR stand for…

  1. Valence Station Electrical Pairs Repel
  2. Voluntary Sharing of Electron Pair Rule
  3. Valence Shell Electron Pair Repulsion
  4. Vanadium Selenium Praseodymium (VSePr)

11) The problem with the name copper (III) phosphate for the compound Cu3PO4 is…

  1. Nothing – it is correct
  2. The roman numeral should be I, not III
  3. Copper doesn’t have an oxidation state of +3.
  4. PO4-3 is perphosphate, not phosphate

12) This family of elements consists of shiny, conductive metals that are all reactive with water.

  1. Alkali metals c. transition metals
  2. Alkaline earth metals d. semi-metals

13) Which electron would require the most energy to remove?

  1. The first electron from neon
  2. The second electron from sodium
  3. The third electron from magnesium
  4. The fourth electron from aluminum
  5. They all require the same amount of energy

Use this Pauling Scale of electronegativity to answer the next two questions

*Data from Linus Pauling. “The Nature of the Chemical Bond,” 3d ed., Cornell University Press, Ithaca, N.Y., 1960.

14) What type of bonding occurs between lithium and chlorine?

  1. Ionic
  2. Polar covalent
  3. Non-polar covalent
  4. Metallic

15) Which molecule has the most non-polar covalent bond within it?

  1. Carbon dioxide
  2. Carbon tetrabromide
  3. Water
  4. Nitrogen monoxide