The variation of melting point with atomic number for Periods 2 and 3 is shown in the

Question:

The variation of melting point with atomic number for Periods 2 and 3 is shown in the graph below.

a. Explain what we mean when we say melting point is a periodic property.

b. Explain the following.

i. The melting point of silicon is much greater than that of phosphorus.

ii. The melting point of aluminium is greater than that of sodium.

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Cambridge International AS And A Level Chemistry Coursebook

ISBN: 9781316637739

2nd Edition

Authors: Lawrie Ryan, Roger Norris

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Question Posted: Sep 20, 2021 01:39 AM

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The variation of melting point with atomic number for Periods 2 and 3 is shown in the

Question:

4500 - 4000 3500 - 3000 2500 2000 1500 - 1000 - 500 - 10 15 20 Atomic number Melting point/K 5.

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Cambridge International AS And A Level Chemistry Coursebook

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