CHAPTERS Review 106a What is a binary chemical compound? What are the two majoe

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CHAPTERS Review 106a What is a binary chemical compound? What are the two majoe opes of hinary chemical compounds? Give three examples of each type of binary compound ive Learning Questions 2. are designed to be considered by groups of students noen these questions work wel for introdacing a particular 5-2 Naming Binary Compounds That Contain Questions 3. cations are cases the Roman numeral in a name is the same as a Metal and a Nonmetal (Types I and Il) -ein the formula, andin so "casesit is not Pro,idea- and name) for each of these cases. Explain whry numeral is not necessanily the same as the subscripe ions. and anions are foemulas CaCh, and CoCl, look very similar. What is the. In naming ionic compounds, we always name the came for each compourd? Why do we name them differenily? fioemulas MgO and CO look very similar. What is the name . In a simple binary ionic compound, which ion ( cach compound? Why do we name them differently catioe'anion) has the same name as its parent element? . Esplain how to use the periodic table to determine that there are Although we write the formula of sodiums chlde as ons for every magnesiums icn in magnesium ch ine that NaCl is an ionic compound and contains no mole- ride and one chloride ion for every sodium ion in sodium chlo- Then write the formulas for calcium oxide and potssium cules. Explain. . For a meta 7. For a metallic element that forms two stable cations, the ending is used to indicate the cation of lower charge and the endiag as used to indicate the cation of higher charge. We indicaie the chtge of a metallic element that forms more hon one cation by adding- after the name of the onide and explain how you got them. s. What is the general formula for an ionic compound formed by elements in the following groups? Explain your reasoning and providle an example for each (name and fomula). Grup 1 with group 7 h. Group 2 with group 7 e. Group I with group 6 d Geoup 2 with group 6 9. Give the same of esch of the following simple binary ionic An element forms an ionic compound with chlorine, leading to compond having the forrnula XC12-The ion of eleaentX has mass umber 89 and 36 electrons. Identify the element X. tell 10. Give the name of each of the following simple binary ionic bow many neutrons it has, and name the compound 1. Name cach of the following compounds 11. In each of the following, identify which names are incorrect for the given foemulas, and give the correct name. a. CaH, cakium hydride b. PbCl, leadIV) chloride c. Crly, chromium(IIl) iodide d. Na S, disodium sulfide e. CuBry, cupric bromide 12. In each of the following, identify which names are incorrect for & Why do we call Ba(NO,), barium nitrate but call Fe(NO,) the given formulas, and give the correct name. a. CuCl, copper(II) chloride b. Ag,O, silver(II) oxide e. LiO, lithium() oxide d. CaS, calcium sulfide e. CsS, cesium(ll) sulfide iroo(Il) nitrate? 9. What is the difference between sulfuric acid and hydrosulfuric Questions and Problems 13. Write the name of each of the following ionic substances, using 5-1 Naming Compounds the system that includes a Roman numeral to specify the charge of the cation. d. Cr S O1. The "Chemistry in Focus" segment Sugar of Lead discusses hiC,H,0h, which originally was known as sugar of lead LAhy was it called sugar of lead? h. What is the systematic name for Pb(C,H,O)? E Why is it necessary to have a system for the naming of chem

Explanation / Answer

3. cations are positive ions and anions are negative ions.

4. cation first ( Ex: KCl...= K+ Cl-potassium chloride)

5. cation has the same name.  ( Ex: KCl...= K+ Cl-potassium chloride; chlorine is the name of anion in it's parent form)

7. "OUS" is the lower charge ( Fe2+ : Ferrous) and "IC" is the higher charge ( Fe3+: Ferric)

8: Suffix (Ex: FeCl3: Ferric chloride)

9. NaBr: sodium bromide

SrBr2: Stronsium bromide

MgCl2: magnesium chloride

AgI: Silver iodide

AlP: aluminium phosphide

K2S: potassium sulfide

10. LiI: lithium iodide

AlBr3: aluminium bromide

MgF2: magnesium floride

CaS: calcium sulfide

SrO: sronsium oxide

Na2O: sodium oxide

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