16. The formula for a salt is XBr. The X-ion in this salt has 46 electrons. The metal X is
17. The formula for aluminum hydroxide is
18. The formula of ammonium carbonate is
19. The ions Ca2+ and PO23- form a salt with the formula
20. The name of the ionic compound (NH4)3PO4 is
21. What is the correct formula for ammonium sulfide?
22. What is the formula of the compound formed between strontium ions and nitrogen ions?
23. When a metal and a nonmetal react, the......................tends to lose electrons and the......................tends to gain electrons.
24. When calcium reacts with sulfur the compound formed is
25. Which formula/name pair is incorrect?
26. Which formula/name pair is incorrect?
27. Which metal is capable of forming more than one cation?
28. Which metal is not required to have its charge specified in the names of ionic compounds it forms?
29. Which of the following compounds would be MOST ionic?
30. Which of the following compounds would you expect to be ionic?
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