Page 58 - MODUL KIMIA A+XPLOSIVE SPM (LATEST)

YELLOW ZONE [YZ]

7 The following statements refer to the contributions of a scientist in the development of the
Periodic Table of Elements.
Pernyataan berikut merujuk kepada penemuan saintis dalam perkembangan Jadual
Berkala Unsur.

 Studied the X-ray spectrum of elements.
Mengkaji spektrum sinar-X unsur-unsur.

 Arranged the elements in the Periodic Table of Elements based on
the increasing order of proton number.
Menyusun unsur-unsur dalam Jadual Berkala Unsur mengikut
pertambahan nombor proton.

Who was the scientist?
Siapakah saintis tersebut?
A Lothar Meyer
B John Newlands
C Henry J.G. Moseley
D Dmitri Mendeleev

8 Which of the following elements are in Group 18 in the Periodic Table of Elements?
Antara berikut unsur yang manakah dalam kumpulan 18 dalam Jadual Berkala
Unsur?
A Helium and krypton
Helium dan kripton
B Hydrogen and oxygen
Hidrogen dan oksigen
C Oxygen and krypton
Oksigen dan kripton
D Helium, hydrogen and oxygen
Helium, hidrogen dan oksigen

9 Element Z is located in the same group as potassium in the Periodic Table. Z is not the
actual symbol of the element. Which of the following statements are chemical
properties of element Z?

Unsur Z berada dalam kumpulan yang sama dengan kalium dalam Jadual Berkala. Z
bukan symbol sebenar unsur itu.
Antara pernyataan berikut, yang manakah sifat kimia bagi unsur Z?

I Reacts with water to produce an alkaline solution
Bertindak balas dengan air untuk menghasilkan larutan bersifat alkali

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