Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
  1. Home
  2. Classroom
  3. Chemistry

Chemistry Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
96

The electron configuration of \(_{22}X^{2+}\) ion is

  • A. 1s2 2s22p6 3s2 3p6 4s2 3d2
  • B. 1s2 2s22p6 3s2 3p6 4s2 3d1
  • C. 1s2 2s22p6 3s2 3p6
  • D. 1s2 2s22p6 3s2 3p6 3d2
View Answer & Discuss (28) JAMB 2000
97
Which of the following types of bonding does not involve the formation of new substance?
  • A. Metallic
  • B. covalent
  • C. Co-ordinate
  • D. Electrovalent
View Answer & Discuss (7) JAMB 2000
98

The knowledge of half-life can be used to

  • A. create an element
  • B. detect an element
  • C. split an element
  • D. irradiate an element
View Answer & Discuss (44) JAMB 2000
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
99
The shapes of CO2, H2O and CH 4 respectively are
  • A. bent, linear and tetrahedral
  • B. bent, tetrahedral and linear
  • C. linear, bent and tetrahedral
  • D. tetrahedral, linear and bent
View Answer & Discuss (10) JAMB 2000
100
The distance between the nuclei of chlorine atoms in a chlorine molecule is 0.194 mm. The atomic radius of chlorine atom is
  • A. 0.097 mm
  • B. 0.194 mm
  • C. 0.388 mm
  • D. 2.388 mm
View Answer & Discuss (18) JAMB 2000
Start a Free Practice Test
 
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709