Question

Describing How Scientists Influence Each Other
Use the drop-down menus to order the sequence of ideas that led to Marie Curie’s discovery of radioactive elements, starting with the earliest event.


1
Ernest Rutherford named the radioactive rays as alpha, beta, and gamma rays.


2
Dalton developed the theory that all matter is made of atoms.


3
Henri Becquerel discovered radioactivity.

Answer 1

3-1-2 dumbahh ai lyin

Answer 2

Order: 2 → 3 → 1

- Dalton developed the atomic theory (earliest).
- Henri Becquerel discovered radioactivity.
- Ernest Rutherford named the rays alpha, beta, and gamma (latest).