1.

oose the odd one out. Give scientific reason for your answer.Ch1. Electron, proton, neutron, molecule2. Dalton, Lavoisier, Bohr, Rutherford3. Carbon, Protium, Deuterium, Tritium4. Uranium, barium, thorium, radium

Answer»

1) molecules - all others are building unit of atoms2) Lavoisier - not related to atomic discovery3) carbon - not an isotope of hydrogen4) barium - not radio active



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