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The Periodic Table

Quick questions on Arrangement of the Periodic Table explained: O-Level Chemistry

4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is the metal to non-metal trend across a period?
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Reading across a period from left to right, the elements change from metals to non-metals:
What is q1?
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State how the elements are arranged in the modern Periodic Table. [1 mark]
What is q2?
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An element has the configuration 2,8,22, 8, 2. State its group and period. [2 marks]
What is q3?
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Explain why all the elements in Group I have similar chemical properties. [2 marks]

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