Flashcards
Sem título
Flashcards do conjunto (7)
- 1Atomic numberThe number of protons in an atom of an element
- 2IsotopeAre atoms of the element that have different numbers of neutrons
- 3Mass numberIs the sum of the number of protons and neutrons in an atom
- 4Average atomic massIs the average mass of the elements isotopes, weighted according to the abundance of each isotope
- 5RadioactiveElements that spontaneously emit radiation
- 6Nuclear decayIs a process that occurs when an ustable atomic nucleus changes into a stable nucleus
- 7IonIs an atom that is no longer neutral because it has gained or los electrons
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- FlashCards sobre Sem título, criado por jose berger em 04-06-2021.
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- jose berger
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