Use the information in the table below to answer the questions that follow. The letters do not represent the actual symbols of the elements.

Use the information in the table below to answer the questions that follow. The letters do not represent the actual symbols of the elements.

a) Give reasons why the melting point of:
i) S is higher than that of R;
ii) V is lower than that of U.
b) How does the reactivity of W with chlorine compare with that of R with chlorine? Explain
c) Write an equation for the reaction between T and excess oxygen.
d) Give one use of element V.

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a) i)S has many delocalized electrons than R hence has strong metallic bonds. Bigger and have strong van der waal’s than those of V.

b) W reacts vigorously with chlorine than R. This is because W has a bigger atomic radius hence its outer
electron held strongly and can therefore be easily lost

c) $4T(s) + 5O_2(g) \rightarrow 2T_2O_5(g)$

d) It is used to fill light bulbs to prevent oxidation of the filament.

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johnmulu answered the question on April 12, 2017 at 11:47

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