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Why are all the elements in group 18 relatively unreactive whereas those in group 7 are very reactive
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An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
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One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus
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Why are all the elements in group 18 relatively unreactive whereas those in group 7 are very reactiv...
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