Technetium, the element below manganese in the Periodic Table, would be expected to have high values for its:
$(I)$ melting point $(I I)$ boiling point $(I I I)$ density

I, I I, I I I

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I, I I

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I I, I I I

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I

only

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Solution

The correct option is A $I, I I, I I I$
Technetium, the element below manganese in the Periodic Table, would be expected to have high values for its:
(I) melting point (II) boiling point (III) density. This is because it experience greater effective nuclear charge, which results in stronger metallic bonding and higher density.

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Question 2

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(iii) Boiling point

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