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Chemistry 1997 WAEC Past Questions

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41
Element X, with electronic configuration 2, 8, 2 and element Y with electronic configuration 2, 8, 7 are like to combine by
  • A. metallic bonding
  • B. covalent bonding
  • C. electrovalent bonding
  • D. dative bonding
  • E. hydrogen bonding
View Answer & Discuss WAEC 1997
42
The valence electrons of element 12Mg are in the
  • A. 1s orbital
  • B. 2s orbital
  • C. 2px orbital
  • D. 2py orbital
  • E. 3s orbital
View Answer & Discuss (1) WAEC 1997
43

Which of the following statements is correct about sodium chloride in the solid state?

  • A. it exists as aggregates of ions
  • B. it conducts electricity
  • C. its melting point is below 100oC
  • D. it exists as discrete molecules
  • E. its ions are linked by metallic bonds
View Answer & Discuss (5) WAEC 1997
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44
Which of the following Group 1 elements has the highest ionization energy?
  • A. 55Cs
  • B. 37Rb
  • C. 19K
  • D. 11Na
  • E. 3Li
View Answer & Discuss (4) WAEC 1997
45

Boyle's law can be expressed mathematically as

  • A. V \(\alpha\) T (P constant)
  • B. P \(\alpha\) V (T constant)
  • C. P \(\alpha\) T
  • D. V \(\alpha\) 1 / p(T constant)
  • E. V1/T1 = / T2
View Answer & Discuss (5) WAEC 1997
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208