Ontario Grade 9 Science Class Practice Exam 2025 – Your Complete Guide to Exam Success!

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What does the electrostatic series arrange?

Materials based on their electrical conductivity

Materials based on their tendency to gain electrons

This answer is incorrect because the electrostatic series does not arrange materials based on their tendency to gain electrons. Instead, it arranges materials based on their ability to attract or repel electrons in an electrostatic interaction.

The other options are also incorrect as the electrostatic series does not arrange materials based on electrical conductivity (choice A), atomic number (choice C), or chemical reactivity (choice D). It is important to note that the electrostatic series is often used in the study of electrochemistry and helps predict the outcome of reactions between different materials.

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Elements based on their atomic number

Compounds based on their chemical reactivity

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