Neco Model Questions Vol1 2023 Chemistry Question 1

Practice practical question 1 from the 2023 Neco Model Questions Vol1 Chemistry examination. This question covers Atomic Structure .

Neco Model Questions Vol1 2023 Chemistry Practical

Topic: Atomic Structure

Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • practical

A mass spectrometer was used to analyse a sample of an unknown element X. The instrument gave the following data for the two isotopes observed: - Isotope A: mass = 35.967 u, relative intensity = 3 parts - Isotope B: mass = 36.966 u, relative intensity = 2 parts The atomic number of element X is known to be 17. Answer the following:

Question Parts

( a )

Calculate the relative atomic mass of element X using the data above.

( b )

Determine the percent abundance of each isotope.

( c )

Write the nuclear notation for each isotope of element X.

( d )

State one possible source of error that could affect the measured intensity ratio in the mass spectrometer.

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About This Question

This is Neco Model Questions Vol1 2023 Chemistry Question 1. It is one of the practical questions from the 2023 Neco Model Questions Vol1 Chemistry examination.

The question covers Atomic Structure .

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