Annalisa Bernard asked 1 year ago
  1. How to calculate energy change.
  2. How to balance chemical equations.
  3. Electrical configuration. 
  4. How to now element molecular number.

Click here to ask a question and get an answer published in the forum. Read our disclaimer.

Get paid for every topic you create in: Forum!MAKE-MONEY

Your Answer

0 + 14 =