CAIE A-Level Chemistry AS 1.2.4 Isotopes of the Same Element Have Different Topic Practice

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Question 1

[Maximum number: 2]

Calcium, magnesium and radium are Group 2 elements. Radium follows the same trends as the other members of Group 2.

A sample of magnesium contains three isotopes, 25Mg,26Mg{ }^{25} \mathrm{Mg},{ }^{26} \mathrm{Mg} and X.

The percentage abundance of the three isotopes is shown in Table 1.1.

Table 1.1

Table 1.1

State one similarity and one difference in the properties of these isotopes of magnesium. Explain your answer.

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