EXERCISES F4 (CHAPTER 2,3,4,5)

Which of the following elements are in Group 18 in the Periodic Table of Elements?

Antara berikut, manakah unsur yang berada di dalam Kumpulan 18 Jadual Berkala Unsur?

• Argon and xenon

  Argon dan xenon

• Hydrogen and oxygen

  Hidrogen dan oksigen

• Oxygen and xenon

  Oksigen dan xenon

• Argon and hydrogen

  Argon dan hidrogen

Who discovered proton of an atom?

Siapakah yang menjumpai proton dalam suatu atom?

• Neils Bohr

• Ernest Rutherford

• J.J. Thomson

• Ernest Rutherford

Which two elements would combine to form an ionic compound?

Manakah dua unsur yang boleh bergabung membentuk satu sebatian ionik?

• Sodium and magnesium

  Natrium dan magnesium

• Carbon and oxygen

  Karbon dan oksigen

• Hydrogen and oxygen

  Hidrogen dan oksigen

• Magnesium and oxygen

  Magnesium dan oksigen

Diagram shows the electron arrangement of ammonia.

What is the electron arrangement of atom N?

Rajah menunjukkan susunan elektron bagi ammonia.

Apakah susunan elektron bagi atom N?

• 2.3

• 2.5

• 2.7

• 2.8

Table shows the proton number of elements P, Q and R.

Which is the correct arrangement in descending order of atomic size of the element?

Jadual menunjukkan nombor proton bagi unsur P, Q dan R.

Susunan menurun saiz atom unsur yang manakah betul?

• R, Q, P

• R, P, Q

• P, Q, R

• Q, R, P

Diagram shows the composition of element in a seashell.

What is the empirical formula of the compound in the seashell?

[ Relative atomic mass: M = 40 ; G = 12 ; J = 16 ]

Rajah menunjukkan komposisi unsur di dalam cengkerang siput.

Apakah formula empirik bagi sebatian dalam cengkerang siput tersebut?

[ Jisim atom relatif : M = 40 ; G = 12 ; J = 16 ]

• MGJ

• MG₂J

• MGJ₂

• MGJ₃

Diagram shows the electron arrangement for compound TZ.

Rajah menunjukkan susunan elektron dalam sebatian TZ.

• T = Sodium/Natrium, Z = Oxygen/ Oksigen

• T = Magnesium, Z = Oxygen/ Oksigen

• T = Sodium/Natrium, Z = Fluorine/Fluorin

• T = Magnesium, Z = Fluorine/Fluorin

Diagram shows a part of the Periodic Table of Elements. W, X, Y and Z are not the actual symbols of the elements.

Based on Diagram, Write an electron arrangement of atom W.

Rajah menunjukkan sebahagian daripada Jadual Berkala Unsur. W, X, Y dan Z bukan simbol sebenar unsur tersebut.

Berdasarkan Rajah, Tuliskan susunan elektron bagi atom W.

Diagram shows a part of the Periodic Table of Elements. W, X, Y and Z are not the actual symbols of the elements.

Based on Diagram, Which of the element is a halogen?

Rajah menunjukkan sebahagian daripada Jadual Berkala Unsur. W, X, Y dan Z bukan simbol sebenar unsur tersebut.

Berdasarkan Rajah, Unsur manakah adalah halogen?

Diagram shows a part of the Periodic Table of Elements. W, X, Y and Z are not the actual symbols of the elements.

Based on Diagram, Which of the element have more than one oxidation number.?

Rajah menunjukkan sebahagian daripada Jadual Berkala Unsur. W, X, Y dan Z bukan simbol sebenar unsur tersebut.

Berdasarkan Rajah, Unsur manakah mempunyai lebih daripada satu nombor pengoksidaan?