Metals have positive ions in a ‘sea of electrons’. Which metal atom provides most electrons for the sea?

5070_s07_qp_1

MCQ

2007

Paper 1, Variant 0

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The structure of metals consists of positive ions in a ‘sea of electrons’. Which statement correctly describes what happens to the particles in the metallic heating element of an electric kettle when the kettle is switched on?

5070_s13_qp_12

MCQ

2013

Paper 1, Variant 2

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Element X has a lattice of positive ions and a ‘sea of electrons’. e– e– e– e– e– e– e– e– e– e– e– e– e– e– e– Which property will X have?

5070_s14_qp_11

MCQ

2014

Paper 1, Variant 1

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Which substance has metallic bonding?

5070_s15_qp_11

MCQ

2015

Paper 1, Variant 1

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Which substance has metallic bonding?

5070_s15_qp_12

MCQ

2015

Paper 1, Variant 2

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Compound Z is made from element X and element Y. Compound Z is a good conductor of electricity when molten but not when solid. Which statement is correct?

5070_s16_qp_12

MCQ

2016

Paper 1, Variant 2

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Metals have a structure of positive ions in a ‘sea of electrons’. Metals are malleable because it is possible to force the ions to slide over each other. The alloy brass is 1 malleable than pure copper and than pure zinc. Brass is 2 to conduct electricity. Which words correctly complete gaps 1 and 2?

5070_s17_qp_12

MCQ

2017

Paper 1, Variant 2

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Which statement about the structure or bonding of metals is correct?

5070_s18_qp_12

MCQ

2018

Paper 1, Variant 2

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Element X has a lattice of positive ions and a ‘sea of electrons’. e– e– e– e– e– e– e– e– e– e– e– e– e– e– e– Which property will X have?

5070_s20_qp_11

MCQ

2020

Paper 1, Variant 1

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Element X has a lattice of positive ions and a ‘sea of electrons’. e– e– e– e– e– e– e– e– e– e– e– e– e– e– e– Which property will X have?

5070_s20_qp_12

MCQ

2020

Paper 1, Variant 2

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