A) What are the 'groups' and 'periods' in 'periodic table'b) Two eleme

1.	A) What are the 'groups' and 'periods' in 'periodic table'b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic table? How do the following properties of M and N vary?i) size of there atoms ii) there mattalic behaviour iii) there valencies of forming oxides iv) molecular formula of there chlorides
Answer» ANSWER: The horizontal rows in the PERIODIC table are called periods. b) 1. M and N belong to the same period but I and II. Therefore N will be SMALLER than MAS atomic size is decreasing from LEFT to right.

A) What are the 'groups' and 'periods' in 'periodic table'b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic table? How do the following properties of M and N vary?i) size of there atoms ii) there mattalic behaviour iii) there valencies of forming oxides iv) molecular formula of there chlorides

Answer»

The horizontal rows in the PERIODIC table are called periods. b) 1. M and N belong to the same period but I and II. Therefore N will be SMALLER than MAS atomic size is decreasing from LEFT to right.

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