<div class="main-heading">📌 Topic 8: The Periodic Table</div>

<div class="sub-heading">8.1 Arrangement of elements</div>
<div class="point-item"><div class="point-question"><span><span class="point-number">1</span> Describe the Periodic Table arrangement in periods and groups by increasing proton number</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">2</span> Describe change from metallic to non-metallic character across a period</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">3</span> Relate group number to charge of ions formed</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">4</span> Explain similarities in chemical properties of elements in the same group</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>

<div class="sub-heading">8.2 Group I properties (Alkali metals)</div>
<div class="point-item"><div class="point-question"><span><span class="point-number">1</span> Describe trends down Group I: decreasing melting point, increasing density, increasing reactivity</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>

<div class="sub-heading">8.3 Group VII properties (Halogens)</div>
<div class="point-item"><div class="point-question"><span><span class="point-number">1</span> Describe trends down Group VII: increasing density, decreasing reactivity</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">2</span> State appearance of halogens at r.t.p.</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">3</span> Describe displacement reactions of halogens with halide ions</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>

<div class="sub-heading">8.4 Transition elements</div>
<div class="point-item"><div class="point-question"><span><span class="point-number">1</span> Describe transition elements: high densities, high melting points, form coloured compounds, act as catalysts</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>

<div class="sub-heading">8.5 Noble gases</div>
<div class="point-item"><div class="point-question"><span><span class="point-number">1</span> Describe noble gases as unreactive, monatomic gases due to full outer shell</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>