Page 7 - Top Class F4 Chemistry

Chemistry Form 4 Chapter 5 Chemical Bonds
Structured question format/type remains unchanged based on the new instrument
Paper 2 sample; It only varies in the number of questions.

Subjective Questions / Soalan Subjektif
Section A / Bahagian A
1. Table 1 shows the proton numbers of atom of elements X, Y and Z.
Jadual 1 menunjukkan nombor proton untuk atom bagi unsur-unsur X, Y dan Z.
Element
Unsur X Y Z
Proton number 12 17 18
Nombor proton
Table 1 / Jadual 1
(a) Write the electron arrangement for ion X and ion Y.
Tuliskan susunan elektron bagi ion X dan ion Y.

[2 marks / 2 markah]

(b) (i) Identify elements that can react to form a compound.
Kenal pasti unsur-unsur yang boleh bertindak balas membentuk suatu sebatian.

[1 mark / 1 markah]
(ii) State the type of compound formed between elements in 1(b)(i).
Nyatakan jenis sebatian yang terbentuk di antara unsur-unsur di 1(b)(i).

[1 mark / 1 markah]

(iii) Name the force of attraction formed in the compound in 1(b)(ii).
Namakan daya tarikan yang terbentuk dalam sebatian di 1(b)(ii).

[1 mark / 1 markah]
(iv) State the formula for the compound formed in 1(b)(ii).
Nyatakan formula untuk sebatian yang terbentuk di 1(b)(ii).

[1 mark / 1 markah]

(v) State a physical property of this compound.
Nyatakan satu sifat fizik untuk sebatian ini.

[1 mark / 1 markah]
(c) (i) Identify element that is chemically inert.
Kenal pasti unsur yang lengai secara kimia.

[1 mark / 1 markah]

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Chapter 5.indd 56 12/9/20 5:53 PM