by Sunday | May 11 | Chemistry WAEC
A. Na+ is smaller in size than Na B. Na is smaller in size than Na+ C. Na+ has fewer electrons than Na D. The effective nuclear charge in Na+ is greater than in Na Correct Answer: Option B B. Na is smaller in size than Na+
by Sunday | May 11 | Chemistry WAEC
A. Electron affinity B. Electronegativity C. Ionic radius D. lonization energy Correct Answer: Option C C. Ionic radius
by Sunday | May 11 | Chemistry WAEC
A. from oxides with different formulae B. have strong oxidizing ability C. have low density D. have an atomic structure with an incomplete outermost shell Correct Answer: Option A A. from oxides with different formulae
by Sunday | May 11 | Chemistry WAEC
A. Aluminium B. Chlorine C. Magnesium D. Sodium Correct Answer: Option B B. Chlorine
by Sunday | May 11 | Chemistry WAEC
A. Ability to accept electrons readily B. Ability to donate electrons readily C. Ability to from basic oxides D. Formation of coloured compounds Correct Answer: Option A A. Ability to accept electrons readily