CAIE IGCSE Chemistry 2.2.4 Mass Number Nucleon Number As the Questions
Use proton and nucleon numbers to identify isotopes and calculate the particles in an atom’s nucleus.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- define and identify nucleon number and proton number
- calculate neutrons from nucleon and proton numbers
- identify isotopes and compare their nucleon numbers
- use isotope and nucleon data to classify atoms
CAIE IGCSE Chemistry 2.2.4 Mass Number Nucleon Number As the Questions question 1
[Maximum number: 1]
4 X and Y are two different elements.
X and Y have the same number of nucleons.
Which statement about X and Y is correct?
A
They have the same physical properties.
B
Their atoms have the same number of electrons.
C
They are in different groups of the Periodic Table.
D
They have different relative masses.
C
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