Flashcards
Chapter 7.2 flashcards
Flashcards do conjunto (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.
Informações
- Descrição
- FlashCards sobre Chapter 7.2 flashcards, criado por Ana García em 04-06-2021.
- Criado por
- Ana García · jun 2021
- Atualizado
- 11 jun 2021
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