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Chemistry 5070 · Cambridge (CAIE) O Level

Chemical Bonding

9 past-paper questions on Chemical Bonding · examined 2020–2025.

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20251 question

5070/11 · M/J · Q6 [1]Sign up to mark my answer →

Magnesium reacts with oxygen to form magnesium oxide. Which row is correct?

20231 question

5070/12 · M/J · Q4 [1]Sign up to mark my answer →

Element X and element Y react together to form a compound. The electronic configurations of X and Y are X = 2,8,3 and Y = 2,6. Which row shows the electron transfer that takes place and the type of compound formed?

20221 question

5070/12 · O/N · Q10 [1]Sign up to mark my answer →

Which two pairs of atoms are held together by the same number of bonds?

20211 question

5070/21 · M/J · Q6(b) [1]Sign up to mark my answer →

Draw the dot-and-cross diagram to show the bonding in a molecule of carbon dioxide. Only show the outer shell electrons.

20204 questions

5070/21 · O/N · Q8(d)(i) [1]Sign up to mark my answer →

Draw a dot-and-cross diagram for a molecule of hydrazine. Include only the outer shell electrons.

5070/22 · M/J · Q1(a) [1]Sign up to mark my answer →

Choose from the following chlorides to answer the questions. Which chloride contains a cation with a 2+ charge?

5070/22 · M/J · Q6(e) [2]Sign up to mark my answer →

Ethanol can be dehydrated to form ethene, C2H4. Describe, using a dot-and-cross diagram, the bonding in a molecule of ethene.

5070/22 · M/J · Q7(d) [1]Sign up to mark my answer →

State the structure and bonding in silicon dioxide, SiO2.

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