1.

Why this orrangement of elementsis similar to the above period ofmodem periodic table.​

Answer»

vani I like u here is ur ANS:

Answer:

1)Li>Be>B>C>N>O

2)2ND period

3)here the elements are arranged in INCREASING of atomic number

4)Li is the biggest atomic oxygen is smallest atom

5)atomic radius decrease due to increase in effective nuclear change.



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