Question detail
Explain how the loss or gain of electrons is related to the formation of ions.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Reactivity of metals
Question
Explain how the loss or gain of electrons is related to the formation of ions.
Answer
When an atom loses electrons, it becomes positively charged and is referred to as a cation. Conversely, when an atom gains electrons, it becomes negatively charged and is known as an anion. This process of electron transfer is fundamental in the formation of ionic compounds.
Explanation
This question tests the understanding of how atoms transform into ions through electron transfer, which is a key concept in oxidation and reduction reactions. The answer clearly defines the terms cation and anion, linking them to electron loss and gain.
Common mistake
Confusing Electron Loss and Gain
Students often confuse electron loss with oxidation and gain with reduction, failing to link these changes to the corresponding changes in atoms and ions.
To fix this, students should practice identifying oxidation and reduction in various reactions, focusing on how the loss or gain of electrons affects the charge and identity of the atoms and ions involved.
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