Answer the following question given this paragraph: Ionic compounds are compounds in which positive metal ions and negative nonmetal ions are joined by ionic bonds. In these compounds, the chemical symbol for the positive metal ion is written first, followed by the symbol for the negative nonmetal ion. The video at the following URL gives a fuller explanation of ionic compounds and their formulas: http://www. youtube. com/watch?v=vscoYh6m46M . Q: The chemical symbol of which ion is written first in ionic compounds? Choices: - negative ion - good metal ion - last ion - positive metal ion A:
Answer:
positive metal ion