← Chemistry (0620)
Q1 / 5
Simple molecules & covalent bonds
Foundation
2 marks
Draw the dot-and-cross diagram for a molecule of chlorine (Cl2), showing the covalent bond.
A
Each Cl contributes 1 electron to form a single covalent bond; 3 lone pairs remain on each Cl
B
Each Cl shares 2 electrons to form a double bond
C
Cl atoms share all 7 electrons
D
Cl2 has an ionic bond — Cl loses an electron to the other Cl
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