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CDS - Periodic table Test 1430
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CDS - Periodic table Test 1430
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  • Question 1/5
    1 / -0.33
    The trend in ionization energy , as you move from left to right across a period in the periodic table, can be attributed to:
    Solutions

    Ionization energy generally increases as you move from left to right across a period. This is because the atomic size decreases, resulting in a stronger attraction between the valence electrons and the nucleus, making it more difficult to remove an electron. Hence the correct option is D.

  • Question 2/5
    1 / -0.33
    Which of the following periodic trends describes the general increase in reactivity of halogens as you move up Group 17 of the periodic table?
    Solutions

    Reactivity of halogens generally increases as you move up Group 17. This is because as you move up the group, the atomic size decreases, resulting in stronger attraction for an additional electron to complete their valence electron configuration. Hence the correct option is D.

  • Question 3/5
    1 / -0.33
    The trend in electronegativity as you move down a group in the periodic table can be attributed to:
    Solutions

    Electronegativity generally decreases as you move down a group in the periodic table. This is because larger atoms have more shielding and increased distance between the valence electrons and the nucleus, resulting in weaker attraction for electrons. Hence the correct option is A.

  • Question 4/5
    1 / -0.33
    Which of the following periodic trends describes the general increase in reactivity of alkali metals as you move down Group 1 of the periodic table?
    Solutions

    Reactivity of alkali metals generally increases as you move down Group 1. This is because the outermost electron is further away from the nucleus, experiencing weaker attraction, and is easily lost during chemical reactions. Hence the correct option is D

  • Question 5/5
    1 / -0.33
    The trend in metallic character as you move from left to right across a period in the periodic table can be attributed to:
    Solutions

    Metallic character generally decreases from left to right across a period. This is because as you move from left to right, the atomic size decreases, leading to a stronger attraction between the valence electrons and the nucleus, which reduces the ability to delocalize electrons and exhibit metallic properties. Hence the correct option is A.

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