Per NCERT, what does Dalton's theory say about atoms of DIFFERENT elements?
AAtoms of different elements are always identical
BDifferent elements have the same atoms
CAtoms cannot vary
DAtoms of different elements have DIFFERENT masses and DIFFERENT chemical properties
Answer & Solution
Correct answer: D. Atoms of different elements have DIFFERENT masses and DIFFERENT chemical properties
Per NCERT §9.3, Dalton's theory: different elements have differently-massed atoms with different properties.
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