Chemical Bonding
9 past-paper questions on Chemical Bonding · examined 2020–2025.
20251 question
Magnesium reacts with oxygen to form magnesium oxide. Which row is correct?
20231 question
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
Which two pairs of atoms are held together by the same number of bonds?
20211 question
Draw the dot-and-cross diagram to show the bonding in a molecule of carbon dioxide. Only show the outer shell electrons.
20204 questions
Draw a dot-and-cross diagram for a molecule of hydrazine. Include only the outer shell electrons.
Choose from the following chlorides to answer the questions. Which chloride contains a cation with a 2+ charge?
Ethanol can be dehydrated to form ethene, C2H4. Describe, using a dot-and-cross diagram, the bonding in a molecule of ethene.
State the structure and bonding in silicon dioxide, SiO2.
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