Agniya Jochem (Ballet Historian)
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Hey, relax. Exams are just one part. Many successful people score low in 10th. Think future, many opportunities. Talk to parents, see examples like Einstein bad in school.Tips: Read motivational books. Exercise. Remember, life have many chances.
Answered for the Question: "How can I remind myself that CBSE 10th Board Exams 2026 are not the end of life?"
Diamond is hard because of its atomic structure. Each carbon atom in a diamond is covalently bonded to four other carbon atoms in a tetrahedral arrangement. This creates a very strong three-dimensional network of bonds. Since covalent bonds are among the strongest in chemistry, this rigid bonding pattern makes diamond the hardest known natural material.
Answered for the Question: "Why is diamond hard?"