- atoms that have a different number of neutrons than other atoms with the same atomic number - their unique properties are useful for researching the age of different substance

- a method of representing atoms. It involves drawing only the valence electrons of an atom.

- Atoms with unfilled valence shells can interact with each other. - An example is the interaction between sodium (Na) and chloride (Cl). Na can lose its single valence electron, and Cl can take that electron filling its valence shell. Na+ and Cl- ions result from this exchange. The process of the formation of ions is called ionization.

- Carbon has an atomic number of six. Carbon atoms typically consist of six protons and six electrons, although isotopes do exist. - Two isotopes of carbon include 13carbon and 14carbon. Each of these isotopes has the same number of protons (six), but different numbers of neutrons. - The atomic mass takes the weights of these carbon isotopes into account; thus, the atomic weight is 12.011 rather than 12.

- an isotope that gives off radiation. 14C is a radioisotope that will decay into 14N. A neutron within 14C will break apart, become a proton, and emit radiation.

2.1.3 Ions, Ionization, and Isotopes Flashcards by Irina Soloshenko

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2.1.3 Ions, Ionization, and Isotopes Flashcards

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