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Chemistry 11 Notes for Chemistry Notes

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Language of Chemistry

  1. Define a chemical change and point out its two important characters.
  2. What information can you obtain from the symbol 3919K?
  3. How many electrons and neutrons are present in the symbol 2713Al?
  4. Two elements A and B have outer most shell electronic configuration 3s1 and 2s2 2p4 respectively, then name the chemical formed between them.

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