QUESTION 4.1     Look at the definition of a polygon below and fix the error.   “A polygon is a 2-D (flat) shape that only has curved sides and that is “closed”. Find the incorrect word in the above definition and write down the word that would make the definition correct.    (1)

5.3 Voltooi die volgende sin deur die ontbrekende woorde in te vul: Rooi lakmoespapier bly rooi in die teenwoordigheid van ‘n en ‘n . (2)

4.2 Skryf ‘n chemiese vergelyking van die reaksie van fosfor met suurstof (jy hoef nie die vergelyking te balanseer nie). (2)

AFDELING B VRAAG 3   3.1 Regs klik op die knoppie hieronder om ‘n diagram te sien wat die ontbinding van magnesiumoksied illustreer in ‘n nuwe “tab” en beantwoord dan die vrae wat volg:     

2.3 Nie-metaaloksiede vorm basis oplossings wanneer hulle in water opgelos word. (1)

3.3 Gee die sistematiese naam van die produk van die reaksie by vraag 3.2 (2)  

2.5 Metaalhidroksiede van groep 2 op die periodieke tabel sal die formule MOH hê. (1)

  QUESTION 6   You have made it to the end of the challenge. You have led your team to success.  Now that the challenge is finished, you have to review the work you and your team did. Use the graph below to answer questions 6.1 – 6.4. The graph shows the amount of time you spent on each challenge as a fraction of the whole.   Click on the button below to open the image.    

  QUESTION 6.2     On which topic did your team spend the least amount of time? (1)

1.2 Groep 17 op die periodieke tabel staan bekend as: (2)