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Science Focus 2 - Chapter Tests - Pearson Australia Media Resources

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<strong>Science</strong> <strong>Focus</strong> 2 TEST<br />

<strong>Chapter</strong> 2: Atoms<br />

Section B − Written answers (40 marks)<br />

1 Define each of the following.<br />

a Element.<br />

b Atom.<br />

c Molecule.<br />

d Compound.<br />

e Mixture.<br />

2 a Sketch a molecule of NH 3 .<br />

b Identify the following formula.<br />

3 Identify and name the elements whose<br />

symbols are given below.<br />

a Al<br />

b Ca<br />

c Au<br />

d He<br />

e O<br />

f Mg<br />

g Kr<br />

h Pb<br />

i S<br />

j Zn<br />

© <strong>Pearson</strong> Education <strong>Australia</strong> (a division of <strong>Pearson</strong> <strong>Australia</strong> Group Pty Ltd) 2005.<br />

This page from the <strong>Science</strong> <strong>Focus</strong> 2 Teacher’s Resource may be photocopied for classroom use.<br />

5<br />

2<br />

5

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