Activator Explain why you put subscripts in chemical

Activator Explain why you put subscripts in chemical

Activator Explain why you put subscripts in chemical formulas. Aqua Rules American Rules no Roman no Greek Aqua Name Write element names and change ending of second element to ide. Example: Na2O Sodium oxide Aqua Formulas Balance positive and negative charges,

then add subscripts Example: Na1+ Na1+ O2- Na2O It take 2 Na1+ to balance 1 O2- Red Rules Roman Rules Roman numerals are the positive oxidation number for the transition metals (the valley varies)

Red Name Write element names and change ending of second element to ide. Use the roman grid to find the red oxidation number and write as Roman Numeral. Red Formulas Get oxidation number for red element from Roman Numeral, balance charges, and write subscripts. Example: Iron (III) oxide Oxidation number for Iron (III) = 3+ Fe3+

Fe3+ O2O2O2- It takes 2 Fe3+ and 3 O2- to balance positive and negative charges Fe2O3 Green Rules Greek Rules Greek prefixes in name Greek Prefixes

One mono Two di Three tri Four tetra Five penta Six hexa

Seven hepta Eight octa Nine nana Ten deca Green Name Turn subscripts into Greek prefixes in front of element names (do not use mono- on the first element). Change ending of second element to ide. Example: CO2 Carbon dioxide CO Carbon monoxide Green Formula Turn Greek prefixes into formula

subscripts. Do not try to balance charges. Example: Carbon tetrachloride CCl4 Ticket out the Door Name the following on a sheet of paper: 1. NaCl 3. NiO 2. AlI3 4. Ni2O3 5. NaF Write the following equations:

1. Iron (II) chloride 2. Sodium chloride Right or wrong? If the formula is incorrect, write the correct formula: LiF2 KBr MgCl AlO2 Naming Ionic Compound Bond between a metal and nonmetal 1.Name the metal

2.Name the nonmetal and change the ending to ide. Write the formulas and name the compounds 1. Na+1 Cl-1 5. Mg+2 P-3 2. Ba+2 F-1

6. Ca+2 Cl-1 3. K+1 S-2 7. Cs+1 P-3 4. Al+3 I-1

8. Al+3 P-3 Write the formulas and Name the compounds 1. K bonded with Cl 5. Sr bonded with P 2. Ba bonded with P 6. Cs bonded with Cl 3. Fr bonded with O 7. Na bonded with N 4. Al bonded with S 8. Al bonded with Cl Ticket Out The Door

Write formulas and name the following: 1.Na bonded with P 2.Ca bonded with N 3.Cs bonded with Se 4.Ba bonded with Br 5.Li bonded with I Name the Compounds (p.54) 6. ZnS 7. Ag2O 9. NiO 10. Ni2O3 11. FeO 12. Fe2O3

13. CrS 14. Cr2S3 Name the Compounds (p.54) 15. CuCl 19. MnBr2 16. CuCl2 20. MnBr4 17. PbO 18. PbO2

Ticket Out the Door Name the following: 1. NaCl 2. AlI3 3. NiO 5. NaF 4. Ni2O3 Write and name the following Ionic Compounds with regular metals 1. NaCl 6. LiCl

Sodium chloride 2. NaF Lithium chloride 7. KCl Sodium fluoride 3. Al2O3 Potassium chloride

8. CaS Aluminum oxide 4. CaI2 9. BeF Calcium iodide 5. AlI3 Calcium sulfide Beryllium fluoride

10. K3N Aluminum iodide Potassium nitride Write and name the following Ionic Compounds with transition metals 1. ZnS 6. MnO Zinc (II) sulfide

2. NiO Manganese (II) oxide 7. Mn2O3 Nickel (II) oxide 3. Ni2O3 Manganese (III) oxide 8. MnBr2 Manganese (II) bromide

Nickel (III) oxide 4. CrCl2 9. MnBr4 Chromium (II) chloride 5. CrCl3 Manganese (IV) bromide 10. FeO

Chromium (III) chloride Iron (II) oxide Name the following 1. TiBr3 6. Zn3P2 Titanium (III) bromide 2. Cu3P 7. Cu2O

Copper (I) phosphide 3. CaSe Tin (IV) sulfide 9. Pb3N2 Aluminum arsenide 5. NaBr Copper (I) oxide 8. SnS2

Calcium selenide 4. AlAs Zinc (II) phosphide Sodium bromide 10. Cs2O Lead (II) nitride Cesium oxide

Write the following formulas 1. Magnesium phosphide 6. Sodium fluoride 2. Aluminum iodide 7. Barium chloride 3. Lithium bromide 8. Sodium chloride 4. Potassium sulfide 5. Barium fluoride

9. Calcium oxide 10. Beryllium sulfide Write the following formulas 1. Silver (I) oxide Ag2O 6. Chromium (II) chloride CrCl2 2. Copper (I) bromide7. Chromium (III) chloride CuBr CrCl3

3. Copper (II) bromide 8. Zinc (II) sulfide CuBr2 4. Iron (II) oxide FeO 5. Iron (III) oxide Fe2O3 ZnS 9. Manganese (II) oxide MnO

10. Manganese (III) oxide Mn2O3 Write the following formulas 1. Lithium oxide Li2O 2. Magnesium oxide MgO 3. Potassium sulfide 6. Copper (II) chloride CuCl2 7. Lead (II) oxide PbO 8. Lead (IV) oxide

K2S 4. Calcium sulfide PbO2 9. Manganese (II) bromide CaS 5. Aluminum chloride AlCl3 MnBr2 10. Manganese (IV) bromide MnBr4

Warm Up What is wrong with the following? 1. Aluminum (III) trichloride 2. Iron chloride 3. Carbon (IV) oxide 4. Monocarbon dioxide 5. Magnesium monoxide Write the names for . . . 1. Na3N Sodium nitride 2. NO2

Nitrogen dioxide 3. FeO Iron (II) oxide 4. Fe2O3 Iron (III) oxide Write the names for . . . 5. NO Nitrogen monoxide

6. N2O Dinitrogen monoxide 7. AlCl3 Aluminum chloride 8. Al2O3 Aluminum oxide Write the formulas for . . . 1. Dinitrogen pentaoxide

N2O5 2. Nitrogen dioxide NO2 3. Carbon tetrachloride CCl4 4. Aluminum chloride AlCl3 Write the formulas for . . .

1. Chromium (II) sulfide CrS 2. Chromium (III) sulfide Cr2S3 3. Manganese (IV) bromide MnBr4 4. Aluminum oxide Al2O3

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