3Q 𝙨𝙘𝙞𝙚𝙣𝙘𝙚 𝙇𝙏

𝙬𝙝𝙤 𝙙𝙞𝙨𝙘𝙤𝙫𝙚𝙧𝙚𝙙 𝙩𝙝𝙚 𝙚𝙡𝙚𝙘𝙩𝙧𝙤𝙣

• Ernest Rutherford

• J. J Thomson

• Eugen Goldstein

• Neil's Bohr

he postulate that matter is made up of extremely small indevisible particles called atoms

• Ernest Rutherford

• JJ Thompson

• Democritus

• Neil's Bohr

he visualized electrons as rotating in orbits around the nucleus. loke planets rotating around the sun

• Ernest Rutherford

• JJ Thompson

• Eugen Goldstein

• Neil's Bohr

the smallest unit of matter

nucleua of an atom consists of

• Electrin and Proton

• Neutron and Electron

• proton and Neutron

• Poton Only

An ion that carries negative charged is called

• Electron

• Proton

• Anion

• Cations

Answer explanation

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what was the first atomic model

• Plum pudding

• Slar System

• Solid Sphere

• Periodic Table

how to determine the atomic mass of an atom

• number of protons plus number of neutron

• number of proton plus number of electron

• number of electeon minus number of neutron

• number of proton minis number of neutron

he was famous for his gold foil experiment which led to the discovery of the nucleus

he discovered the negatively chrahed particles through his experimwnt of Cathode Ray Tube