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IRINA_888 [86]
3 years ago
8

.

Physics
2 answers:
lesya692 [45]3 years ago
7 0

Answer:

John Dalton

Explanation:

Dalton's atomic theory was the foundation for a new understanding of chemical structures. He proposed that matter was constituted by indivisible and indestructible particles "atoms." He theorized that all atoms of a particular substance were equal, and the atoms of different substances had atoms of different sizes and masses.

He also proposed that all compounds of elements were combinations of elements but in a very precise ratio.

disa [49]3 years ago
6 0

Answer:John Dalton

Explanation:

He proposed the atomic theory in 1802 which states that

1.) All elements are made up of small,indivisible particles called atoms.

2.) Atoms can neither be created nor destroyed

3.) Atoms of the same element are alike in every aspect and differ from atoms of all other elements

4.)When atoms combine with other atoms they do so in simple ratios

5.) All chemical changes result from the combination or the separation of atoms.

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