III. Review
Task 1.
Complete the sentences:
1.How are the electrons arranged in an oxygen atom?
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2.What is the electron arrangement of ion for aluminum?
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3.How are electrons arranged in oxygen?------------------------------------------------------------------------------------------------
IV. Home task:Answer the question:
How do molecules of meal reach tour nose? Which meal produce stronger smell, hot or cold? Explain your answer.
Reflection:
Name one thing you would like to know more
Give one thing which you find difficult
Name one thing you liked most
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