Question

Explain giving justification the trends in the following properties of elements on moving from left to right in a period in the modern periodic table :(a) variation of valency (b) change of atomic radius (c) metallic to non-metallic character

Answer 1

Trends in the properties of elements on moving from left to right in the period in the modern periodic table is as follows :
a) variation of valency increases from 0 to 4 and decreases from 4 to 0, while going from left to right.

b) Atomic radius goes decreasing.

c) Metallic character goes on decreasing as we move from left to right.

d) Non metallic character increases from left to right.

Answer 2

Hope this may help!!

Pls mark it as brainliest answer.......

BEST OF LUCK!!