Level 1

Isotopes & Atomic Mass

Isotopes & Atomic Mass

Session expectations

10 questions ยท progress saved locally

  • Score increases with correct answers.
  • Retry mistakes at the end if you need to.
  • Easy: hints ON, Quick Theory ON. Normal: hints OFF, Quick Theory ON. Hard: hints OFF, Quick Theory OFF.
  • Progress is saved locally (clearing storage resets it).

Isotopes & Atomic Mass

MassAbundance (%)
3575
3725

An element has isotopes of mass 35 (75%) and 37 (25%). What is the average atomic mass?

Question: 1 / 10Score: 0Streak: 0
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