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G8- Third Quarter PT

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    Review quiz
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  • TRUE-FALSE Neutrons contribute to both the mass and the isotope classification, as isotopes have different numbers of neutrons.
    TRUE
  •  15
  • TRUE-FALSE A. The elements are arranged in order of decreasing atomic number.
    TRUE
  •  15
  • What is the correct electron configuration of N?
    1s² 2s² 2p³
  •  15
  • How many protons are present in the given element?
    18
  •  15
  • How many groups are there in periodic table?
    18
  •  15
  • What happens to the electronegativity of the elements across the periodic table?
    Increases
  •  15
  • Na Sc Ar - Which element is most likely to form a cation?
    Na
  •  15
  • What is the electron of the given ion?
    10
  •  15
  • What is the group of the element?
    1
  •  15
  • What is the period number of the element?
    3
  •  15
  • O Se K Which element has the lowest ionization energy?
    K
  •  15