Write assumption of Dalton's atomic theory ?
GSEB - Class 9 Chapter - 4.Properties of Matter Page 59
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He states that
1. Everything is made of invisible atoms.
2. Atoms within an element are unique.
3. Compounds are made of two or more different elements / kinds of atoms
4. Chemical reactions are rearrangements of atoms
Two centuries later we know that these are not perfect rules, they have exceptions. However, his theory was a theory, rather than widely accepted facts.
1. Everything is made of invisible atoms.
2. Atoms within an element are unique.
3. Compounds are made of two or more different elements / kinds of atoms
4. Chemical reactions are rearrangements of atoms
Two centuries later we know that these are not perfect rules, they have exceptions. However, his theory was a theory, rather than widely accepted facts.
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