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Chapter 2: Problem 69

The formula for calcium oxide is \(\mathrm{CaO}\). What are the formulas for magnesium oxide and strontium oxide?

Short Answer

Expert verified
The formula for magnesium oxide is \(MgO\) and for strontium oxide is \(SrO\)

Step by step solution

01

Form Ionic Compound of Magnesium and Oxygen

In the ionic compound formation between magnesium and oxygen, Magnesium (Mg), a Group 2 element, loses 2 electrons to become \(Mg^{2+}\). Oxygen (O), a Group 16 element, accepts these 2 electrons and becomes \(O^{2-}\). These ions combine to form an ionic compound that is electrically neutral, resulting in the chemical formula \(MgO\) for magnesium oxide.
02

Form Ionic Compound of Strontium and Oxygen

For the ionic compound formation between strontium and oxygen, Strontium (Sr), also a Group 2 element, loses 2 electrons to become \(Sr^{2+}\). The Oxygen ion (O) is \(O^{2-}\) hence these ions also combine to form an ionic compound that is electrically neutral, resulting in the chemical formula \(SrO\) for strontium oxide.

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Most popular questions from this chapter

Give two differences between a metal and a nonmetal

Fill the blanks in the following table. $$\begin{array}{|c|c|c|c|}\hline \text { Cation } & \text { Anion } & \text { Formula } & \text { Name } \\\\\hline & & & \text { Magnesium bicarbonate } \\\\\hline & & \mathrm{Sr} \mathrm{Cl}_{2} & \\\\\hline \mathrm{Fe}^{3+} & \mathrm{NO}_{2}^{-} & & \\ \hline & & & \text { Manganese(II) chlorate } \\\\\hline & & \mathrm{SnBr}_{4} & \\\\\hline \mathrm{Co}^{2+} & \mathrm{PO}_{4}^{3-} & & \\\\\hline \mathrm{Hg}_{2}^{2+} & \mathrm{I}^{-} & & \\\\\hline & & \mathrm{Cu}_{2} \mathrm{CO}_{3} & \\\\\hline & & & \text { Lithium nitride } \\\\\hline \mathrm{Al}^{3+} & \mathrm{S}^{2-} & & \\\\\hline\end{array}$$

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A sample of a radioactive element is found to be losing mass gradually. Explain what is happening to the sample.

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