Exercise
Form 7: Ions and Electrical Charge
In this engaging exercise, students will explore the fascinating world of ions and electrical charge, discovering how atoms gain or lose electrons to form ions, and the implications of these changes in real-world applications like batteries and chemical reactions. Through interactive activities, learners will strengthen their understanding of electrical properties and the role of ions in nature and technology.
Questions
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MultiChoice
What is an ion?
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MultiChoice
What type of ion is formed when a neutral atom loses an electron?
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MultiChoice
What type of ion is formed when a neutral atom gains an electron?
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MultiChoice
If a neutral sodium atom (11 protons) loses 1 electron, what is its charge?
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MultiChoice
If an oxygen atom (8 protons) gains 2 electrons, how many electrons does it now have?
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MultiChoice
Why doesn't an atom become an ion by gaining or losing protons?
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MultiChoice
A chlorine ion has a charge of -1 and an atomic number of 17. How many electrons does it have?
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MultiChoice
A magnesium atom loses 2 electrons. What is the symbol for the resulting ion?
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MultiChoice
An ion has 13 protons and 10 electrons. What is its net electrical charge?
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MultiChoice
If a neutral sulfur atom (atomic number 16) gains 2 electrons, what will be its total electron count?
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MultiChoice
Which subatomic particle count changes when an atom forms an ion?
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MultiChoice
A potassium ion has 19 protons and 18 electrons. What is its net charge?