Q. Molecular solids need a very lower temperature to break weak

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Q. The change from liquid in to the gaseous state is known as

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Q. The enthalpy change of vaporization is the energy required to change 1 mol of liquid in to 1 mol of

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Q. The silicon (IV) oxide which is found in mineral quartz is very similar to

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Q. The metal which can be melted even by the warmth of human palm is

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Q. Diamonds are hard and

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Q. Metals can be hammered into different shapes and drawn into wires hence they are

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Q. Giant ionic structures are also name given to

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Q. The mixture of metal or metals with non-metals gives off an

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Q. There are strong attractive forces between metal ions and delocalized electrons gives

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Q. Artificial diamonds are used for

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Q. The mixture of 70% copper and 30% zinc is an alloy called

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Q. One element may have different crystalline and molecular forms called as

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Q. Bronze is an alloy of

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Q. Graphite have high melting and boiling points but they are

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Q. Ionic compounds possess the properties

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Q. Ionic compounds only conduct electricity when they are in a state

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Q. Each carbon atom forms four covalent bonds with other carbon atoms arranging them tetrahedral in

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Q. Pure aluminum (Al) is

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Q. 2000 years ago, a statue of 33 meter was built in

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