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Write the trend of atomic size in period and groups?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Define bond pair?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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What is the trend of shielding effect in periods? Give reasons.

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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What is shielding effect?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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How are cathode rays produce? What are its five major characteristics?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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How many periods are considered normal periods?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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What is the difference between evaporation and vapoure pressure

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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What type of elements form metallic bonds?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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Explain the thermal expansion in liquids with an activity?

asked Nov 21, 2018 in Physics by danish (1.0m points)

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Plan and conduct a campaign that can help to reduce air pollution in their local enviroment.

asked Nov 23, 2018 in Science by danish (1.0m points)

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Write the name of those factors which effect to evaporation

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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What title was given to Hazrat Asma (R.A) from the Holy Prophet (SAWW)?

asked Nov 15, 2018 in English by danish (1.0m points)

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What are the consequence and applications of convection?Explain

asked Nov 21, 2018 in Physics by danish (1.0m points)

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Discuss the thermal expansion of solids with the help of an experiment ?

asked Nov 24, 2018 in Science by danish (1.0m points)

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Action and reaction are always equal and opposite then how does a body move?

asked Nov 19, 2018 in Physics by danish (1.0m points)

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What is meant by absolute zero?

asked Nov 21, 2018 in Physics by danish (1.0m points)

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Define linear thermal expansion in solid?

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Suggest ways in which individuals , organisms and government can help to make the earth a better place to live

asked Nov 23, 2018 in Science by danish (1.0m points)

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Why water is used in cooling system ofvehicles?

asked Nov 21, 2018 in Physics by danish (1.0m points)

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