Join ExamsbookAnswer : 1. "Diamond"
The Hardest substance available on Earth is5
Q: The Hardest substance available on Earth is
- 1Diamondtrue
- 2Wurtzitefalse
- 3Platinumfalse
- 4Goldfalse
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Answer : 1. "Diamond"
Explanation :
Answer: A) Diamond Explanation: Diamond is the hardest substance available on Earth. Diamond is the hardest substance available on Earth due to the giant molecular structure of diamond in which each carbon atom is covalently bonded to four other carbon atoms. A covalent bond is very strong and requires a large amount of energy to break itself, and diamond has many covalent bonds.