Protons, Neutrons, and Electrons Practice Worksheet



Protons, Neutrons, and Electrons Practice Worksheet

|Name of the element |Atomic |Metal/metalloid/n|Atomic |Protons |Electrons |Neutrons |Atomic |

| |symbol |onmetal |number | | | |mass |

|Boron |B |Metalloid |5 | | | |11 |

|Sodium |Na |Metal |11 | | | |23 |

|Gallium |Ga |Metal |31 | | | |68 |

|Yttrium |Y |Metal |39 | | | |89 |

|Copper |Cu |Metal |29 | | | |64 |

|Technetium |Tc |Metal |43 | | | |98 |

|Lead |Pb |Metal |82 | | | |207 |

|Ytterbium |Yb |Metal |70 | | | |173 |

|Actinium |Ac |Metal |89 | | | |227 |

|Molybdenum |Mo |Metal |42 | | | |96 |

|Thallium |Tl |Metal |81 | | | |204 |

|Fermium |Fm |Metal |100 | | | |257 |

|Nobelium |No |Metal |102 | | | |259 |

|Hydrogen |H |Nonmetal |1 | | | |1 |

|carbon |C |Nonmetal |6 | | | |12 |

|Nitrogen |N |Nonmetal |7 | | | |14 |

|Barium |Ba |metal |56 | | | |137 |

|helium |He |nonmetal |2 | | | |4 |

|calcium |Ca |metal |20 | | | |40 |

|silicon |Si |metalloid |14 | | | |28 |

|argon |Ar |nonmetal |18 | | | |40 |

|magnesium |Mg |metal |12 | | | |25 |

|Chloride ion |Cl |Nonmetal |17 | | | |35 |

|Seaborgium |Sg |metal |106 | | | |265 |

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