Review Homework For Ionic Compounds

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Review Homework for Ionic Compounds

Part I: Give the correct chemical formula or chemical name for the following.

a. Calcium hydroxide

b. Sn₁(CO₃)₂

c. Copper (II) sulfite

Part II: For the following elements, give the charge of each ion, LDS of each ion, Chemical name, Chemical formula and LDS for the compound. See homework for making the table.

a. Calcium and flourine

b. Potassium and nitrogen

Part III: Answers the following questions:

a. What elements make an anion and what does it mean with respect to electrons?

b. What elements make cations and what does it mean with respect to electrons?

c. How can you tell the ion's charge from the Periodic Table? What rule is it that explain how many valence electrons must be around (or shared) each element after bonding called?

d. What does the subscripts in an ionic compound chemical formula mean? What is an Empirical Formula?

Part IV: Answer all question showing all work

a. A compound was found to have 6.25g of carbon and 1.23g of hydrogen. What is the percent composition of each element in the compound?

b. What is the percent composition of Ba₁(NO₃)₂.

c. What is the Empirical Formula of the compound that has the following percent composition: 72.4% Fe and 27.6% O.

d. What is the Empirical formula of the compound that has 136.4g of oxygen (O) 8.6g of hydrogen (H).

Part V : Answer the following question using complete sentences and/or pictures.

a. Define what a metallic bond is.

b. Explain in your own words and pictures why metals are good electrical conductors.

c. Explain why ionic compounds are mallable or ductile.