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3366

Which of the following metals has the strongest metallic bond?

  • A. \(_{13}Al\)
  • B. \(_{19}K\)
  • C. \(_{12}Mg\)
  • D. \(_{11}Na\)
View Answer & Discuss (4) WAEC 2017
3367

Which of the following substances does not have van der Waals' forces?

  • A. Copper
  • B. Graphite
  • C. Neon
  • D. Iodine crystals
View Answer & Discuss (1) WAEC 2017
3368

The oxidation number of X in \(XO_{4}^{3-}\) is

  • A. +1
  • B. +3
  • C. +4
  • D. +5
View Answer & Discuss (4) WAEC 2017
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3369

The ionization energy is affected by the following factors except

  • A. distance of the outermost electron(s) from the nucleus
  • B. size of the positive nuclear charge
  • C. ability to attract shared electron(s)
  • D. screening effect of the inner electron(s)
View Answer & Discuss WAEC 2017
3370

Which of the following statements is correct?

  • A. Covalent compounds would readily ionize in solution
  • B. Covalent compounds consist of ions
  • C. Hydrogen bond is formed between a metal and a non-metal
  • D. Ionic compounds in solution would conduct electricity
View Answer & Discuss WAEC 2017
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