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Atoms and reactions

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Question 20

83%

In the Periodic Table, element $X\text{X}$ is in Group 13 and element $Y\text{Y}$ is in Group 16 (6).

What is the likely formula of an ionic compound of $X\text{X}$ and $Y\text{Y}$ ?

$X3Y2\text{X}_3\text{Y}_2$

$X2Y3\text{X}_2\text{Y}_3$

$X3Y6\text{X}_3\text{Y}_6$

$X6Y2\text{X}_6\text{Y}_2$

Markscheme

Atoms and reactions Questions

A Level
Chemistry
Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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