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Which state of matter diffuse rapidly? and why?

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What is shielding effect?

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Write the trend of elector negativity in periods and groups?

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Write the name of those factors which effect to evaporation

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What is the difference between evaporation and vapoure pressure

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What is the trend of shielding effect in groups? Give reasons

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Why do atoms from chemical bonds?

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Which type of electrons are responsible for holding the atoms together in metals?

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What is the difference between single and double covalent bond? Give two examples of both.

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Why ice floats on liquid water? Give possible reasons

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Define bond pair?

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What do you know about transition metals?

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Is the Boyle's law applicable to liquid?

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What is meant by mobility?

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What do you know about freezing point?

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Why electronegativity Decreases in groups?

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Define effusion and give example.

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Why do atoms react with each other?

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Why does sodium form a chemical bond with chlorine?

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On which atoms hydrogen bonding do exist.

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