Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What are elements? Mention the classification of elements with an example for each category.

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Elements are the purest form of matter. They ​cannot be broken down even by chemical means.​ [1 mark]
Elements are classified into three groups namely,
1. Metal - Sodium and Gold [1 mark]
2. Non-metal - Chlorine and Oxygen [1 mark]
3. Metalloids - Silicon and Germanium [1 mark]