Now i am phD student at memorial university, canada and i am graduates teacher assistant in memorial university, canada and i was teacher assistant in egypt for 6 years
Explain what derived units are. Give anexample of one.
Explain the main goal of chemistry.
Explain the differences between a hypothesis, a law, and a theory.
What theory did John Dalton formulate?
What are two different ways to classify matter?
What is the difference between a crystalline solid and an amorphous solid?