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6

The sub-atomic particles located in the nucleus of an atom are?

  • A. neutron and proton
  • B. proton and electron
  • C. proton and ions
  • D. neutron and electron
View Answer & Discuss (3) JAMB 2022
7

How many neutrons are present in atom with mass number and atomic number 37 and 17 respectively?

  • A. 18
  • B. 20
  • C. 37
  • D. 17
View Answer & Discuss (7) JAMB 2022
8
GAS CO\(_2\) N\(_2\)

O\(_2\)
% BY VOLUME 4 72 24

The above table shows the compositions of the atmosphere of planet X. Which of these gases are present in higher percentages on earth?

  • A. CO\(_2\) and O\(_2\)
  • B. N\(_2\) and CO\(_2\)
  • C. CO\(_2\), O\(_2\) and N\(_2\)
  • D. O\(_2\) and N\(_2\)
View Answer & Discuss (23) JAMB 2022
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts