Question

In 6 through 10, identify if the compound is ionic or covalent.

6. Li2S
7. Mg3P2
8. CCl4
9. O5P9
10. AlN

a) Ionic
b) Covalent
c) Both a and b
d) None of the above

Answer 1

Compounds made of a metal and a non-metal like Li2S, Mg3P2, and AlN are ionic, while compounds made of non-metals like CCl4 are covalent. The compound O5P9 appears to be incorrectly written and does not conform to known stable compounds, so it's classified as none of the above.

Step-by-step explanation:

To identify whether a compound is ionic or covalent, we can look at the types of elements involved. Generally, if a metal and a non-metal combine, the resulting compound is ionic. If two non-metals combine, the compound is typically covalent. Here are the classifications for the given compounds:

• Li2S - Ionic (metal + non-metal)
• Mg3P2 - Ionic (metal + non-metal)
• CCl4 - Covalent (non-metal + non-metal)
• O5P9 - This compound does not seem to exist as it's incorrectly written, but compounds containing phosphorus and oxygen like P4O10 would be covalent.
• AlN - Ionic (metal + non-metal)

So the answers would be:

1. Li2S - a) Ionic
2. Mg3P2 - a) Ionic
3. CCl4 - b) Covalent
4. O5P9 - d) None of the above since the formula appears incorrect
5. AlN - a) Ionic