Atomic Structure MCQ Class 11

Mass of the proton is ....... times greater than the electron. 1. 2350 2. 1837 3. 1950 4.2000

Entire mass of the atom is located in the 1. orbits surrounding the nucleus 2. centre of the atomic sphere 3. electrons only 4. none of the above

Alpha particles could be defined as 1. protons removed from helium atom 2. electrons removed from lithium atom 3. electrons removed from helium atom 4. helium atom

Atomic number (Z) is equal to the number of 1. neutrons 2. neutrinos 3. electrons 4. None of the above

Cathode rays were invented by one of the following scientists 1. Bohr 2. J.J. Thomson 3. Goldstein 4. James Chadwick

According to one of the following theories, atom cannot be divided further 1. Raman 2. J.J. Thomson 3. Rutherford 4. Dalton

Name the scientist who named cathode ray particle as an electron 1. G.J. Stoney 2. Niels Bohr 3. Schrodinger 4. Heisenberg

Cathode rays travel in straight line, they are 1. Positively charged particles 2. Negatively charged particles 3. Positively charged ions 4. Negatively charged ions

Atoms are made up of 1. Molecules 2. Elements 3. Ions 4. Sub atomic particles

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Atomic Structure MCQ Class 11

Matter is composed of smallest particles called as 1. molecules 2. particles 3. atoms 4. packages

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Mass of the proton is ....... times greater than the electron. 1. 2350 2. 1837 3. 1950 4.2000

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Entire mass of the atom is located in the 1. orbits surrounding the nucleus 2. centre of the atomic sphere 3. electrons only 4. none of the above

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Alpha particles could be defined as 1. protons removed from helium atom 2. electrons removed from lithium atom 3. electrons removed from helium atom 4. helium atom

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Atomic number (Z) is equal to the number of 1. neutrons 2. neutrinos 3. electrons 4. None of the above

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Cathode rays were invented by one of the following scientists 1. Bohr 2. J.J. Thomson 3. Goldstein 4. James Chadwick

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According to one of the following theories, atom cannot be divided further 1. Raman 2. J.J. Thomson 3. Rutherford 4. Dalton

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Name the scientist who named cathode ray particle as an electron 1. G.J. Stoney 2. Niels Bohr 3. Schrodinger 4. Heisenberg

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Cathode rays travel in straight line, they are 1. Positively charged particles 2. Negatively charged particles 3. Positively charged ions 4. Negatively charged ions

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Atoms are made up of 1. Molecules 2. Elements 3. Ions 4. Sub atomic particles

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