SPM Chemistry 2017 (Q1)

Question

1 . Table 1 shows the nucleon number, number of neutrons and chemical formula of oxides for a few elements in Period 3 in the Periodic Table of Elements. Based on Table 1;

Jadual 1 menunjukkan nombor nucleon, bilangan neutron dan formula kimia bagi oksida untuk beberapa unsur dalam kala 3 dalam Jadual Berkala Unsur. Berdasarkan Jadual 1;

 

(a) What is the meaning of nucleon number?

Apakah maksud nombor nukleon?

 

(b)(i) Write the electron arrangement of phosphorus atom.

Tulis susunan elektron bagi atom fosforus

(ii) State the group of phosphorus in the Periodic Table of Elements. Give one reason.

Nyatakan kumpulan bagi fosforus dalam Jadual Berkala Unsur. Bari satu alasan.

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(c) Oxide of elements in Period 3 show acidic, basic or amphoteric properties. Choose one example of oxide of element that shows

Oksida bagi unsur dalam Kalah 3 menunjukkan sifat berasid, berbes atau amfoterik. Pilih satu contoh oksida bagi unsur yang menunjukkan.

 

(d)(i) Why does argon not form an oxide compound?

Mengapakah argon tidak membentuk sebatian oksida?

(ii) State one use of argon.

Nyatakan satu kegunaan argon.

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