Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in the discovery of

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Question:
Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in the discovery of

1.electron

2.proton

3.nucleus in the atom

4.atomic mass

Posted Date:-2022-08-31 13:21:05

More MCQS Questions and answers

  1. An alpha particle is also known as:
  2. An atom with 3 protons and 4 neutrons will have a valency of
  3. Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order (i) Rutherford’s atomic model (ii) Thomson’s atomic model (ii) Bohr’s atomic model
  4. How many electrons are present in M-shell of an element with atomic number 20?
  5. Isobars do not differ in the number of
  6. Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in the discovery of
  7. The charge on an electron is equal to:
  8. The first model of an atom was given by
  9. The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
  10. Which of the following are true for an element? (i) Atomic number = number of protons + number of electrons (ii) Mass number = number of protons + number of neutrons (iii) Atomic mass = number of protons = number of neutrons (iv) Atomic number = number of protons = number of electrons
  11. Which of the following correctly represents the electronic distribution in the Mg atom?
  12. Which of the following isotope is used in the treatment of blood cancer?
  13. Which of the following statement is always correct?
  14. Which of the following statements about Rutherford’s model of atom are correct? (i) Considered the nucleus as positively charged. (ii) Established that the a-particles are four times as heavy as a hydrogen atom. (iii) Can be compared to solar system. (iv) Was in agreement with Thomson’s model.
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