Question

Give the salient features of “Modern Atomic Theory”.​

Answer 1

ANSWER :-

The salient features of “Modem atomic theory” are -  

• 1. An atom is no longer indivisible.  
• 2. Atoms of the same element may have different atomic mass.  
• 3. Atoms of different elements may have the same atomic masses.  
• 4. Atoms of one element can be transmuted into atoms of other elements. In other words, an atom is no longer indestructible.  
• 5. Atoms may not always combine in a simple wholenumber ratio.  
• 6. Atom is the smallest particle that takes part in a chemical reaction.

• 7. The mass of an atom can be converted into energy [E = mc2].

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