Question

sa 3 writing chemical formulas
write the chemical formulas for the following compounds:

1. sodium hydride
2. gallium (iii) hydrogen sulfide
3. potassium arsenide
4. gold (i) carbonate
5. krypton hexabromide
6. manganese (ii) nitride
7. mercury (ii) sulfide
8. zinc phosphide
9. nickel (ii) borate
10. ammonium oxalate
11. titanium (iv) carbide
12. barium arsenide
13. tin (ii) iodide
14. trinitrogen fluoride
15. lead (iv) acetate
16. beryllium bromate
17. tetraarsenic trisulfide
18. tantalum (v) hydrogen sulfite
19. aluminum iodide
20. hydrogen ditelluride
21. cadmium chloride
22. cesium phosphate
23. germanium (iv) selenide
24. disulfur dinitride
25. heptasulfur dioxide
26. silver citrate
27. rhenium (vii) carbonate
28. magnesium thiosulfate
29. calcium arsenide
30. disilicon tritelluride
31. strontium permanganate
32. iron (ii) sulfide

chemistry 2a - sa 3 writing chemical formulas page 8

Explanation:

Step1: Determine ion charges

For sodium hydride, sodium ($Na$) has a +1 charge and hydride ($H^-$) has a -1 charge.

Step2: Write chemical formula

The chemical formula is $NaH$.

1. $NaH$
2. $Ga(H S)_3$
3. $K_3As$
4. $Au_2CO_3$
5. $KrBr_6$
6. $Mn_3N_2$
7. $HgS$
8. $Zn_3P_2$
9. $Ni_3(BO_3)_2$
10. $(NH_4)_2C_2O_4$
11. $TiC$
12. $Ba_3As_2$
13. $SnI_2$
14. $N_3F$
15. $Pb(C_2H_3O_2)_4$
16. $Be(BrO_3)_2$
17. $As_4S_3$
18. $Ta(HSO_3)_5$
19. $AlI_3$
20. $H_2Te$
21. $CdCl_2$
22. $Cs_3PO_4$
23. $GeSe_2$
24. $S_2N_2$
25. $S_7O_2$
26. $Ag_3C_6H_5O_7$
27. $Re_2(CO_3)_7$
28. $MgS_2O_3$
29. $Ca_3As_2$
30. $Si_2Te_3$
31. $Sr(MnO_4)_2$
32. $FeS$

Answer:

1. $NaH$
2. $Ga(H S)_3$
3. $K_3As$
4. $Au_2CO_3$
5. $KrBr_6$
6. $Mn_3N_2$
7. $HgS$
8. $Zn_3P_2$
9. $Ni_3(BO_3)_2$
10. $(NH_4)_2C_2O_4$
11. $TiC$
12. $Ba_3As_2$
13. $SnI_2$
14. $N_3F$
15. $Pb(C_2H_3O_2)_4$
16. $Be(BrO_3)_2$
17. $As_4S_3$
18. $Ta(HSO_3)_5$
19. $AlI_3$
20. $H_2Te$
21. $CdCl_2$
22. $Cs_3PO_4$
23. $GeSe_2$
24. $S_2N_2$
25. $S_7O_2$
26. $Ag_3C_6H_5O_7$
27. $Re_2(CO_3)_7$
28. $MgS_2O_3$
29. $Ca_3As_2$
30. $Si_2Te_3$
31. $Sr(MnO_4)_2$
32. $FeS$