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
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
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