Moderate

The number of peaks obtained in mass spectrometry shows

Correct answer: C. Number of isotopes

  • A. Relative abundance
  • B. Average mass of the element
  • C. Number of isotopes
  • D. Relative isotopic mass

Explanation

The number of peaks obtained in mass spectrometry corresponds to the number of isotopes of the element present in the sample. Here's an example:

Last updated

About Fundamental Concepts of Chemistry

Mole calculations connect mass, number of particles and Avogadro's number, while balanced equations provide the mole ratios used in stoichiometry. Questions cover limiting and excess reactants, theoretical yield and percentage yield, including identifying which reactant is consumed first and comparing the actual product with the maximum possible product.

Practise Fundamental Concepts of Chemistry

894 free Fundamental Concepts of Chemistry MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Chemistry questions like this

Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions