Question detail
What is the charge on the sodium ion formed when sodium loses an electron?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Chemical bonds, ionic, covalent and metallic
Question
- A. 0
- B. +1
- C. -1
- D. +2
Answer
+1
Explanation
When sodium loses one electron, it becomes a positively charged ion (Na+), which has a charge of +1.
Common mistake
Misplacing Electrons in Dot and Cross Diagrams
Students often place the electrons incorrectly in dot and cross diagrams, failing to show the correct transfer of electrons from the metal to the non-metal.
To fix this, students should carefully identify which atom is the metal and which is the non-metal, ensuring that the metal atom's outer-shell electrons are shown as crosses and the non-metal's as dots, accurately representing the electron transfer.
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