Flashcards
Chapter 7.2 flashcards
Cards in this deck (7)
- 1atomic numberThe number of protons in an atom of an element.
- 2IsotopeAre atoms of the same element that have different numbers of neutrons.
- 3Mass numberThe sum of the number of protons and neutrons in an atom.
- 4Average atomic massThe average mass of the element's isotopes, weighted acording to the abundance of each isotope.
- 5RadioactiveElements that spontaneously emit radiation.
- 6Nuclear decayA process that occurs when an unstable atomic nucleus changes into another more stable atomic nucleus by emitting radiation.
- 7IonAn atom that is no longer neutral because it has gained or lost an electron.
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- Flashcards on Chapter 7.2 flashcards, created by Ana García on 04/06/2021.
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- Ana García · Jun 2021
- Updated
- Jun 11, 2021
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