South CHM1020 Week 3 Lab Assignment

Question # 00618471
Course Code : CHM1020
Subject: Chemistry
Due on: 10/20/2020
Posted On: 10/20/2020 05:04 AM
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Week 3 Assignment

1.            Classify each example of molecular art as a compound or element.  Moreover, where applicable, specify which of the species are molecules.

A.            Compound

B.            Elements

C.            Compound

D.            Compound

E.            Compound

F.            Elements

2.            In the image below, for each ion, identify the net charge:

a.            2+

b.            3-

3.            Using the figure on the following page, and in review of week 2material, please draw a Lewis dot structure for each of the following elements.  Also, identify what net charge each element would adopt to achieve the valence electron configuration of a noble gas (achieve a stable octet).

a.            Li –                         Li    (1+)

b.            F –                          F(1-)

c.             Mg–       Mg   (2+)

d.            Cl –                         Cl   (1-)

e.            K –                          K    (1+)

f.             S –                          S   (2-)

g.            Ca –       Ca  (2+)

4.            Balancing charges:  Suppose that X represents an arbitrary cation and that Y represents an anionic species.  Using the charges indicate in the superscript of X and Y, fill in the remaining spaces below by writing the appropriate subscript for each X and Y species to balance the net charge on the ionic XaYb compound formed (where a and b represent whole numbers of X and Y, respectively)

5.            Next, similar to the table above, write the formula of the ionic compound formed from each pair of cations and anions shown below:

6.            Using the table below write out the name of each of the following compounds:

a.            Na2CO3 – Sodium carbonate

b.            Ca(OH)2 – Calcium hydroxide

c.             Mg(NO3)2 –Magnesium nitrate

d.            Mn(CH3CO2)2 –Manganese(II) acetate

e.            Mg3(PO4)2 –Magnesium Phosphate

7.            Using the table above, write down the correct chemical formula for the following compounds:

a.            Sodium bicarbonate – NaHCO3

b.            Ammonium Sulfate –(NH4)2SO4

c.             Magnesium Phosphate –Mg3(PO4)2

d.            Calcium bisulfate –Ca(HSO3)2

e.            Potassium hydroxide –KOH

8.            Using the table below write out the name of each transition-metal containing compound (note: please see your SmartBook/e-text in the CHM 1010 course if you need a reference for ionic compound naming):

a.            Fe2O3 – Iron(III) oxide

b.            Fe(HSO3)2 – Iron(II) Hydrogen Sulfite

c.             SnF4 – Tin(IV) fluoride

d.            Cu2O – Copper(I) oxide

9.            What are examples of common over-the-counter medicines whose active ingredient(s) is/are ionic compounds?  Write down the name of this OTC medicine, the correct chemical name of its active ingredient and identify the ions formed (including charge) when that ionic compound is added to water (or in your stomach).

a.            Medicine Name:NasalCrom

Ionic Compound/Active Ingredient:Cromoglicic acid

Cation and Charge:honestly no idea

Anion and Charge:honestly no idea

b.            Medicine Name:Claritin

Ionic Compound/Active Ingredient:Loratadine

Cation and Charge:honestly no idea

Anion and Charge:honestly no idea

c.             Medicine Name:Pseudoephedrine

Ionic Compound/Active Ingredient:

Cation and Charge:honestly no idea

Anion and Charge:honestly no idea

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South CHM1020 Week 3 Lab Assignment

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