Question:
If in earlier days there were not any adv ance technology
Last updated: 7/4/2023
![If in earlier days there were not any adv ance technology](https://media.kunduz.com/media/sug-question-candidate/20210703061802416339-3514195.jpg?h=512)
If in earlier days there were not any adv ance technology then how scientists w here able to discover the different types of elements and how the were also abl e to find out the atomic number and ato mic mass of elements