How many electrons are used in covalent bonding in the N2 molecule?

5070_w14_qp_12

MCQ

2014

Paper 1, Variant 2

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Which two pairs of atoms are held together by the same number of bonds?

5070_w22_qp_12

MCQ

2022

Paper 1, Variant 2

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What correctly describes the molecules in very dilute sugar solution at room temperature?

5070_s10_qp_11

MCQ

2010

Paper 1, Variant 1

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What correctly describes the molecules in very dilute sugar solution at room temperature?

5070_s10_qp_12

MCQ

2010

Paper 1, Variant 2

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The diagrams show the structures of two forms of carbon. X Y Which of X and Y conduct electricity?

5070_s17_qp_12

MCQ

2017

Paper 1, Variant 2

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The diagrams show the structures of two solids, P and Q. P Q Which row is correct?

5070_s21_qp_11

MCQ

2021

Paper 1, Variant 1

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What correctly describes the molecules in very dilute sugar solution at room temperature?

5070_w07_qp_1

MCQ

2007

Paper 1, Variant 0

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Which statement about the substances, at room temperature and pressure, is correct?

5070_s22_qp_11

MCQ

2022

Paper 1, Variant 1

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The diagram shows the structures of diamond and graphite. diamond graphite Which property do these substances have in common?

5070_w09_qp_1

MCQ

2009

Paper 1, Variant 0

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Propene, CH3CH=CH2, has a very low boiling point because of the weakness of the A C–C bond. B C=C bond. C C–H bond. D intermolecular forces.

5070_w14_qp_12

MCQ

2014

Paper 1, Variant 2

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