Igcse Model Questions Vol1 2023 Chemistry Question 25

Practice objective / multiple choice question 25 from the 2023 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Easy Difficulty
Question 25 IGCSE_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

An isotope of element X has an atomic number of 20 and a mass number of 45. How many neutrons are present in the nucleus of this isotope?

Answer Options

A. 65
Correct Answer B. 25
C. 45
D. 20
Correct Answer
B
Correct Option:
25

About This Question

This is Igcse Model Questions Vol1 2023 Chemistry Question 25. It is one of the objective questions from the 2023 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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