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Ch 2 A - Basic chemistry

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Termini in questo insieme (7)

  • Protons carry what kind of charge?

    Positive charge

  • Neutrons carry what kind of charge?

    Neutrons have no electrical charge

  • Electrons carry what kind of charge?

    carry a negative charge

  • Identifying facts about an element include its

    atomic number, mass number, isotopes and atomic weight/atomic mass

  • What does atomic number mean?

    Number of protons in nucleus

  • What does mass number mean?

    total number of protons and neutrons in nucleus

  • What does atomic weight mean?

    average of mass numbers of all isotope forms of an atom