CAIE IGCSE Physics 5.1.1.2 How Atoms May Form Positive Ions By Questions
Learn how atoms gain or lose electrons to form ions with positive or negative charge.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- explain how atoms form positive ions by losing electrons
- explain how atoms form negative ions by gaining electrons
- determine ion charge from the change in electron number
CAIE IGCSE Physics 5.1.1.2 How Atoms May Form Positive Ions By Questions question 1
[Maximum number: 1]
A magnesium ion has a double positive charge and a chloride ion has a single negative charge.
Which statement is correct?
A
A chlorine atom gains an electron to form the chloride ion.
B
A chlorine atom loses a proton to form the chloride ion.
C
A magnesium atom loses an electron to form the magnesium ion.
D
A magnesium atom gains two electrons to form the magnesium ion.
A
All question bank results loaded