Nda Chemistry Atomic Structure Quiz

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Nda Chemistry Atomic Structure Quiz

Question 1. Who discovered the electron?

Rutherford

J.J. Thomson

Niels Bohr

Chadwick

Question 2. Neutron was discovered by:

J.J. Thomson

Rutherford

James Chadwick

Dalton

Question 3. The nucleus of an atom was discovered by:

Bohr

Rutherford

J.J. Thomson

Goldstein

Question 4. Who gave the planetary model of the atom?

Dalton

Niels Bohr

Rutherford

J.J. Thomson

Question 5. Which particle carries a negative charge?

Proton

Neutron

Electron

Nucleus

Question 6. The number of protons in an atom is called:

Mass number

Atomic number

Neutron number

Valency

Question 7. Isotopes are atoms of the same element with:

Same mass number, different atomic number

Same atomic number, different mass number

Different atomic number and mass number

None of the above

Question 8. Which of the following is an isotope of hydrogen?

H₂O

Deuterium

Ozone

Helium

Question 9. The maximum number of electrons in the second shell (L shell) is:

Question 10. The mass of an electron is approximately:

Equal to proton

Twice that of neutron

1/1837 of a proton

Equal to neutron

Quiz

Question 1. Who discovered the electron?

Question 2. Neutron was discovered by:

Question 3. The nucleus of an atom was discovered by:

Question 4. Who gave the planetary model of the atom?

Question 5. Which particle carries a negative charge?

Question 6. The number of protons in an atom is called:

Question 7. Isotopes are atoms of the same element with:

Question 8. Which of the following is an isotope of hydrogen?

Question 9. The maximum number of electrons in the second shell (L shell) is:

Question 10. The mass of an electron is approximately:

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