Neco Model Questions Vol1 2024 Chemistry Question 2

Practice objective / multiple choice question 2 from the 2024 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2024 Chemistry Objective / Multiple Choice Easy Difficulty
Question 2 NECO_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • objective

An element has two stable isotopes: isotope A with atomic mass 10.012 u and natural abundance 19.9 %, and isotope B with atomic mass 11.009 u and abundance 80.1 %. Calculate the average atomic mass of the element.

Answer Options

A. 9.95 u
B. 11.03 u
Correct Answer C. 10.81 u
D. 10.12 u
Correct Answer
C
Correct Option:
10.81 u

About This Question

This is Neco Model Questions Vol1 2024 Chemistry Question 2. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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