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Ch 2 A - Basic chemistry

컨트롤 버튼이 '내비게이션' 모드로 변경되었습니다.
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  • 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