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What is the charge on the oxygen ion? What is the usual charge on Ca? What has to happen to the number of oxygen ions to accommodate the replacement of Zr by Ca? How many vacancies are there? Explain how these vacancies allow oxide ions to move through the material. Explain why electrons would be needed to convert oxygen into oxide ion.
Negatively charged polyatomic ions are named using a root word and an -ate or -ite suffix. After reading Lesson 9.1, answer the following questions. Monatomic Ions 1. What are monatomic ions? 2. How is the ionic charge of a Group 1A, 2A, or 3A ion determined? 3. How is the ionic charge of a Group 5A, 6A, or 7A ion determined? 4.
Table of Ions. “An ion is a small electrically charged particle. Ions are single charged atoms (simple ions) or small charged “molecules” (polyatomic ions).”. Simple ions include Na +, Ca 2+, and Cl –. Polyatomic ions include (NH 4) +, (CO 3) 2-, and OH –.
Naming Chemical Compounds - Answers Name the following ionic compounds: 1) NaBr sodium bromide 2) CaO calcium oxide 3) Li 2 S lithium sulfide 4) MgBr 2 magnesium bromide 5) Be(OH) 2 beryllium hydroxide Write the formulas for the following ionic compounds: 6) potassium iodide KI 7) magnesium oxide MgO 8) aluminum chloride AlCl 3
Ionic bonds form between ______________ and _________________. In naming simple ionic compounds, the ____________ is always first, the ____________ second (e.g., sodium chloride). Ionic compounds dissolve easily in ________________ and other polar solvents.
Explain why oxygen ions take a 2- charge in terms of protons and electrons. Why are potassium and oxygen ions attracted to each other? What is the name for potassium oxide’s structure?
Number of molecules in 32 gram of oxygen is $6.02 \times 10^{23}$. Water is an atom. Formula for sulphur dioxide is $SO_2$. Clusters of atoms that act as an ion is called polyatomic ion. Mass of 1 mole of a substance is called its formula mass. In a pure chemical compound, elements are always present in a definite proportion by mass. Answer ...
