(a) The elements listed below to the same group in the Periodic Table \(_9F\) \(_{17}CI\)...
CHEMISTRY
WAEC 1996
(a) The elements listed below to the same group in the Periodic Table \(_9F\) \(_{17}CI\) \(_{35}Br\) \(_{53}I\).
(i) Write the electronic structure of the first member
(ii) What is the family name of the elements.
(iii) Which of the elements has the strongest oxidizing ability?
(b) Use the information provided in the following table to answer Questions (i) to (ii) below
(b)(i) Which of the chlorides would exist as discrete molecules?
(ii) What type of bonding holds atoms of A and chlorine together in ACI?
(iii) Which of the chlorides would be a good conductor of electricity?
Explanation
(a)(i) 1s\(^2\)2s\(^2\)2p\(^{5}\) or 2,7
(ii) Halogen
(iii) Fluorine of F
(b)(i) BCl\(_4\)
(ii) Ionic or Electronic bonding
(iii) ACI.
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