Flashcards
vocabulary
Cards in this deck (13)
- 1atomsmallest piece of element that still represents that element .
- 2electronParticle with one negative charge.
- 3nucleusWhere the atoms mass and positive charge is concentrated in the center of the atom.
- 4protonatomic particle that has one positive charge.
- 5neutronneutral particle that exists in the nucleus of an atom.
- 6electron cloudarea around an atomic nucleus where an electron is most likely to be located
- 7atomic numbernumber or protons in an atom of an element.
- 8isotopeatoms of the same element that have different numbers of neutrons.
- 9mass numberthe sum of the number of protons and neutrons in an atom.
- 10average atomic massaverage mass of the element's isotope, weighted according to the abundance of each isotope
- 11radioactiveelements that spontaneously emit radiation
- 12nuclear decayprocess that occurs when an unstable atomic nucleus changes into another more stable nucleus by emitting radiation.
- 13ionatom that is no longer neutral because it has gained or lost electrons
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- Flashcards on vocabulary, created by Maria Andrea Blanco Naranjo on 04/06/2021.
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- Maria Andrea Blanco Naranjo
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