Periodicity
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In an AS course you will learn how a knowledge of atomic structure helps to explain the similarities and trends observed across periods and down groups.
Webelements on the internet is an excellent source of information about all the elements and a good starting point for much of your work in this topic.
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Recently Asked Questions
- I am doing an assignment on the trends in the periodic table. I am trying to find any anomalies/irregularities, particularly in Groups I and IV and accross Period 3. 210208
- I have been give an assignment on periodic trends and I am looking for anomalies within the periodic table. Can you give me some guidelines on what these are? 210208
- Hi. K is in the 4th period of the Table. The transition elements from Sc are in the same line as the 4th Period elements like K, but are called 3d elements. Why 3? Is it because H and He are not regarded as main block elements? Thank you.
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updated: 22 August 2003

