•Give two important drawbacks of Dalton's atomic theory.
•Name the elements represented by the symbols Pb, Ag and Hg.
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Dalton's atomic theory suffered from the following drawbacks: (i) It failed to explain how and why atoms of different elements combine together to form a new 'group of atoms'. (ii) It failed to explain how atoms of different elements differ from each other i.e the structure of atom was unknown
Step-by-step explanation:
Hg – Hydrargyrum) (Pb – Plumbum) (Ag- silver)
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Drawbacks of Dalton's Atomic Theory
The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions. According to Dalton, the atoms of same element are similar in all respects
Step-by-step explanation:
Pb-lead
Ag-silver
Hg-mercury
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