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2.2 Bonding

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Question 13
F

The dot and cross diagram shows a molecule of a compound with the formula XY2\mathrm{XY_{2}}XY2​. Only the outer shell electrons are shown.

image

Which elements could X and Y be?

[1]
A

X is oxygen and Y is carbon.

B

X is magnesium and Y is oxygen.

C

X is nitrogen and Y is oxygen.

D

X is carbon and Y is oxygen.

Markscheme

2.2 Bonding Questions

  1. GCSE
  2. /Chemistry
  3. /2.2 Bonding

64 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.

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