Answer:
By weight they have the same mass, but the number of atoms is different
Explanation:
Bottle 1 is a compound bottle 2 is element bottle 3 is a element bottle 4 is a element
Answer:
E. Thomson
Explanation:
J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons.
https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/history-of-atomic-structure/a/discovery-of-the-electron-and-nucleus
4. density, temperature, surface tension.
7. extensive properties- uses mass and volume depends on tbe amount of substance present.
