Writing Covalent and Ionic Formulas

WRITING FORMULAS & NAMING IONIC COMPOUNDS (KEY)

1.      Ammonium dichromate               (NH₄)₂Cr₂O₇

2.     Iron (II) cyanide                       Fe(CN)₂

3.     Aluminum phosphite                   AlPO₃

4.     Chromium (II) iodide                 CrI₂

5.     Calcium bicarbonate                   Ca(HCO₃)₂

6.     Mercury (I) sulfite                    Hg₂SO₃

7.     Aluminum chlorate                     Al(ClO₃)₃

8.     Silver nitrate                            AgNO₃

9.     Ammonium hydroxide                 NH₄OH

10.    (NH₄)₃PO₄                                 ammonium phosphate

11.    Hg₂Cr₂O₇                                   mercury (I) dichromate

12.    PbSO₃                                       lead (II) sulfite

13.    MnCl₂                                        manganese (II) chloride

14.    Cr₂(Cr₂O₇)₃                                chromium (III) dichromate

15.    SnO                                          tin (II) oxide

16.    NaHSO₃                                    sodium bisulfite

17.    Cu₃(PO₄)₂                                   copper (II) phosphate

18.    FeN                                          iron (III) nitride

19.    Sr₃(PO₄)₂                                  strontium phosphate

20.   HgNO₂                                      mercury (I) nitrite

WRITING FORMULAS & NAMING COVALENT COMPOUNDS (KEY)

1.      Dinitrogen tetroxide                          N₂O₄

2.     Boron triflouride                               BF₃

3.     Hydrogen monobromide                      HBr

4.     Dinitrogen pentoxide                         N₂O₅

5.     Carbon monoxide                               CO

6.     Silicon tetriodide                               SiI₄

7.     Nitrogen trifluoride                           NF₃

8.     Tetraphosphorous trisulfide               P₄S₃

9.     Dihydrogen monoxide                         H₂O

10.    CaO                                                  calcium monoxide

11.    CH₄                                                   carbon tetrahydride

12.    C₂H₆                                                 dicarbon hexahydride

13.    P₄S₃                                                  tetraphosphorus trisulfide

14.    As₂O₅                                               diarsenic pentoxide

15.    SeO₂                                                 selenium dioxide

16.    SiI₄                                                  silicon tetriodide

17.    CO₂                                                   carbon dioxide

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