Question

Name: Lab Section: 04-Anatomy of an Atom Determine the compounds that would form from the following combinations of atoms. Write the molecular formulas: Ions Molecular Formula Ions Molecular Formula H+ and 0- xmple: H:OB+3 and F Na+ and CL Ba2+ and 02- Fe3+ and N3- Bts and F Zn2+ and Br v5+ and 02- Nb5+ and N3- How many of each atom in the following compounds? Na- Ba- Na2S04 10- BaCl2 Mg - H= Mg2 (SO4)2 o- 2K2Cr204o C4Hs(COOH)2 0 2H2(NO3)2 o K2 Cr = NH3 H2SO4 o 2NH3

Answer 1

IONs              molecular formula
H^+ and O^2-            H2O
Na^+ and Cl^-           NaCl
Ba^2+ and O^2-          BaO
Fe^3+ and N^3-          FeN
B^3+ and F^-            BF3
Zn^2+ and Br^-          ZnBr2
V^5+ and O^2-           V2O5
Nb^5+ and N^3-         Nb3N5

Na2SO4            Na = 2
                   S = 1
                 O = 4

C6H12O6           C = 6
                H = 12
                    O   = 6

NH3               N = 1
                    H = 3

H2SO4             H = 2
                   S = 1
                 O = 4

2NH3              N = 2
                H = 6

BaCl2             Ba = 1
                   Cl = 2

Mg2(SO4)2         Mg = 2
                  S   = 2
                    O   = 8

2K2Cr2o4          K = 4
               Cr =4
                  O = 8

C4H8(COOH)2       C = 6
                   H = 10
                O = 4

2H2(NO3)2         H = 4
                    N = 4
                          O = 12