Science, asked by rehanbeg4018, 1 month ago

(a) What are the periods and groups in a periodic table? Give two
characteristics of each.
(b) Explain why the properties of elements are repeated after 2, 8, 18 and
32 elements in the periodic table.
(c) What are the advantages of the periodic table?

Answers

Answered by seeba994

0

Answer:

The horizontal rows of an element is called period while vertical colum of an element is called group.

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