Chemistry

10th -

11thgrade

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Bab 4 - jadual berkala Unsur

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Dalam pembinaan JAdula Berkala Unsur-unsur, ahli sains manakah yang meninggalkan tempat-tempat kosong untuk unsur-unsur yang belum lagi ditemui?

    Dimitri Mendeleev

    Henry Moseley

    Lothar Meyer

    Antoine Lavoisier

  • 2. Multiple Choice
    30 seconds
    1 pt

    Antara gambar rajah berikut, yang manakah mewakili susunan elektron bagi suatu unsur Kumpulan 1?

    Which of the following diagrams represents the electron arrangement of an element of Group 1?

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  • 3. Multiple Choice
    30 seconds
    1 pt

    Pernyataan manakah unsur yang menerangkan mengapa saiz atom unsur-unsur Kumpulan 1 bertambah apabila menuruni kumpulan itu dalam Jadual Berkala?


    Which statement explains why size of the atoms of Group 1 elements increases when going down the group in the Periodic Table 1?

    Bilangan proton bertambah

    The number of protons increases

    Jisim atom relatif bertambah

    The relative atomic mass increases

    Bilangan elektron valens bertambah

    The number of valance electrons increases

    Bilangan petala yang berisi elektron bertambah

    The number of shells filled with electrons increases

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