SPM Chemistry 2017 (Q2)

Question

2 . Diagram 1 shows the standard representation of two isotopes of carbon atoms.

Rajah 1 menunjukkan perwakilan piawai bagi dua isotop atom karbon.

(a) State the meaning of isotope.

Nyatakan maksud isotop.

 

(b) Based on Diagram 1:
Berdasarkan Rajah 1:

(i) Determine the number of electrons and neutrons in the table below.

Tentukan bilangan electron dan neutron dalam jadual di bawah.

(ii) State one use of  in our daily life.

Nyatakan satu kegunaan  dalam kehidupan seharian.

Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution

(c) P is a substance that has a melting point of  and a boiling point of .

P adalah satu bahan yang mempunyai takat lebur  dan takat didih .

(i) Sketch a graph of temperature against time when substance P is heated from  to .

Lakar graf suhu melawan masa apabila bahan P dipanaskan daripada  ke .

(ii) When substance P is cooled, the temperature decreases and becomes constant at one stage and then decreases again.

Apabila bahan 0 disejukkan, suku berkurangan dan menjadi malar pada satu peringkat dan kemudian berkurang semula.

Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution

New Comer 0

Leave an answer