Week-1 Lecture-3: What are Elements?

Following websites may be visited to know more about elements.

1. https://www.bbc.co.uk/bitesize/topics/zstp34j/articles/zqr4tv4

2. https://study.com/academy/lesson/what-are-elements.html

3. https://www.chemicool.com/definition/element.html

4. https://education.jlab.org/qa/element.html

5. https://www.thoughtco.com/definition-of-element-chemistry-604452

6. https://en.wikipedia.org/wiki/Chemical_element

7. https://www.dictionary.com/browse/element

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