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 Form 2 Chemistry questions and answers on structure and bonding

Study the information below and answer the questions that follow: The letters do not represent the actual symbols of the elements.
figbonding28520201548.JPG
(i)Which elements are metals? Give a reason.
(ii) Write the formula of the compound formed when element H reacts with element K.
(iii) Explain why the melting point of J is higher than that of K.
(iv) What is the oxidation state of J in its chloride.
(v) How does the:
I.Melting point of fluoride G compare with that of its chloride?
II.Reactivity of H and L with water compare? Give an explanation

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