9. Eureka! I discovered a large rock in my backyard that had an interesting comp

Question

9. Eureka! I discovered a large rock in my backyard that had an interesting composition and took it into the lab to see what I had found. After isolating the different components and performing some experiments, I noted these properties. Classify each of the substances below AND give an example of what each solid might be. (8 points) a. Solid #1-Had a shiny exterior, was somewhat malleable, and conducted electricity well. metallic-atomic solid ex comer or god b. Solid #2-was very hard and had an extremely high melting point but did not conduct electricity. covalent-atomc solia exampie Silcone Solid #3-Had a high melting point and was fairly hard, was a good insulator until it melted and then conducted electricity quite well. c. onic Solid exampie Nac d. Solid #4-was a good insulator, very soft and had a low melting point. molecular solid exampe Ho ,ice Sulfur

Explanation / Answer

Your Answers are correct. but

Solid 1 : Instead of mettalic atomic its better to say elemental metals.

solid 2: elemental covalent solids, example diamond

solid 3: ionic solid

solid 4: molecular solid.

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