Molecular Models Worksheet
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9Q1.
Hydrogen chloride (HCl) can be made by the reaction of hydrogen (H
) with chlorine
2
(Cl
).
2
(a)
The diagrams represent molecules of hydrogen and chlorine.
Draw a similar diagram to represent a molecule of hydrogen chloride (HCl).
You need show only the outer energy level (shell) electrons.
(1)
(b)
The word equation for the reaction of hydrogen with chlorine is shown below.
hydrogen + chlorine → hydrogen chloride
Write a balanced symbol equation for this reaction.
.............................................................................................................................
........
(2)
(c)
Hydrogen chloride gas reacts with magnesium to form the ionic compound called
magnesium chloride. Use the table of ions on the Data Sheet to help you to write the
formula of magnesium chloride.
.................................................................................................................... .........
........
(1)
Page 1
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