Question

Dalton said that all atoms of an element are alike. Which of the following Dalton's theory has been proved right?

• A. All the atoms consist of still smaller particle protons, neutrons and electrons.
• B. The atoms of different element could show similarity in some respects. Such atoms are isobars.
• C. Atoms is no longer indestructible.
• D. All the above.

Answer 1

The correct option is D

All the above.

Atoms are still the smallest unit of the matter that takes part in a chemical reaction and molecules so they are indestructible and also they consists of smaller particles protons, neutrons and electrons. Also, the atoms of the different element that could show similarity in some respects are known as isobars.